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22325740 = 2256716661
BaseRepresentation
bin101010100101…
…0100111101100
31120000021011021
41111022213230
521203410430
62114303524
7360523423
oct125124754
946007137
1022325740
1111669728
127587ba4
134818bc8
142d722ba
151e6007a
hex154a9ec

22325740 has 24 divisors (see below), whose sum is σ = 47586672. Its totient is φ = 8796480.

The previous prime is 22325687. The next prime is 22325761. The reversal of 22325740 is 4752322.

It is a super-3 number, since 3×223257403 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6991 + ... + 9670.

It is an arithmetic number, because the mean of its divisors is an integer number (1982778).

Almost surely, 222325740 is an apocalyptic number.

22325740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22325740 is an abundant number, since it is smaller than the sum of its proper divisors (25260932).

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

22325740 is a wasteful number, since it uses less digits than its factorization.

22325740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16737 (or 16735 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22325740 is about 4725.0121692965. The cubic root of 22325740 is about 281.5800970298.

The spelling of 22325740 in words is "twenty-two million, three hundred twenty-five thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 16661 33322 66644 83305 166610 333220 1116287 2232574 4465148 5581435 11162870 22325740