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22552420252 = 2217587564997
BaseRepresentation
bin10101000000001110…
…101001111110011100
32011012201100122121011
4111000032221332130
5332141404422002
614205504345004
71425604260235
oct250016517634
964181318534
1022552420252
11962328714a
124454915164
13218542bc8b
14113d2a008c
158bed9d8d7
hex5403a9f9c

22552420252 has 24 divisors (see below), whose sum is σ = 41859571824. Its totient is φ = 10594804992.

The previous prime is 22552420223. The next prime is 22552420277. The reversal of 22552420252 is 25202425522.

It is a super-2 number, since 2×225524202522 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242583 + ... + 322414.

It is an arithmetic number, because the mean of its divisors is an integer number (1744148826).

Almost surely, 222552420252 is an apocalyptic number.

It is an amenable number.

22552420252 is a deficient number, since it is larger than the sum of its proper divisors (19307151572).

22552420252 is a wasteful number, since it uses less digits than its factorization.

22552420252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565605 (or 565603 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

Adding to 22552420252 its reverse (25202425522), we get a palindrome (47754845774).

The spelling of 22552420252 in words is "twenty-two billion, five hundred fifty-two million, four hundred twenty thousand, two hundred fifty-two".

Divisors: 1 2 4 17 34 68 587 1174 2348 9979 19958 39916 564997 1129994 2259988 9604949 19209898 38419796 331653239 663306478 1326612956 5638105063 11276210126 22552420252