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22426460 = 2257198431
BaseRepresentation
bin101010110001…
…1001101011100
31120012101022122
41111203031130
521220121320
62120402112
7361423160
oct125431534
946171278
1022426460
1111728371
127616338
1348529c4
142d9aca0
151e7ed25
hex156335c

22426460 has 48 divisors (see below), whose sum is σ = 56663040. Its totient is φ = 7283520.

The previous prime is 22426457. The next prime is 22426463. The reversal of 22426460 is 6462422.

It is an interprime number because it is at equal distance from previous prime (22426457) and next prime (22426463).

It is a super-2 number, since 2×224264602 = 1005892216263200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22426463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 6875.

It is an arithmetic number, because the mean of its divisors is an integer number (1180480).

Almost surely, 222426460 is an apocalyptic number.

22426460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22426460 is an abundant number, since it is smaller than the sum of its proper divisors (34236580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22426460 is a wasteful number, since it uses less digits than its factorization.

22426460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8466 (or 8464 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22426460 is about 4735.6583491633. The cubic root of 22426460 is about 282.0029005620.

Adding to 22426460 its reverse (6462422), we get a palindrome (28888882).

The spelling of 22426460 in words is "twenty-two million, four hundred twenty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 380 532 665 1330 2660 8431 16862 33724 42155 59017 84310 118034 160189 168620 236068 295085 320378 590170 640756 800945 1121323 1180340 1601890 2242646 3203780 4485292 5606615 11213230 22426460