22865142 has 16 divisors (see below), whose sum is σ = 45777600. Its totient is φ = 7613832.

The previous prime is 22865107. The next prime is 22865173. The reversal of 22865142 is 24156822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9073 + ... + 11315.

It is an arithmetic number, because the mean of its divisors is an integer number (2861100).

Almost surely, 2^22865142 is an apocalyptic number.

22865142 is an abundant number, since it is smaller than the sum of its proper divisors (22912458).

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

22865142 is a wasteful number, since it uses less digits than its factorization.

22865142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947.

The product of its digits is 7680, while the sum is 30.

The square root of 22865142 is about 4781.7509345427. The cubic root of 22865142 is about 283.8297845984.

The spelling of 22865142 in words is "twenty-two million, eight hundred sixty-five thousand, one hundred forty-two".