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22955442 = 233825907
BaseRepresentation
bin101011110010…
…0010110110010
31121012020221120
41113210112302
521334033232
62140003110
7366055326
oct127442662
947166846
1022955442
1111a59844
127830496
1349a9703
143097986
15203692c
hex15e45b2

22955442 has 8 divisors (see below), whose sum is σ = 45910896. Its totient is φ = 7651812.

The previous prime is 22955437. The next prime is 22955447. The reversal of 22955442 is 24455922.

It is an interprime number because it is at equal distance from previous prime (22955437) and next prime (22955447).

It is a sphenic number, since it is the product of 3 distinct primes.

22955442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (22955447) 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 3 ways as a sum of consecutive naturals, for example, 1912948 + ... + 1912959.

It is an arithmetic number, because the mean of its divisors is an integer number (5738862).

Almost surely, 222955442 is an apocalyptic number.

22955442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22955442 is a wasteful number, since it uses less digits than its factorization.

22955442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825912.

The product of its digits is 28800, while the sum is 33.

The square root of 22955442 is about 4791.1837785666. The cubic root of 22955442 is about 284.2029314013.

The spelling of 22955442 in words is "twenty-two million, nine hundred fifty-five thousand, four hundred forty-two".

Divisors: 1 2 3 6 3825907 7651814 11477721 22955442