22872402 has 32 divisors (see below), whose sum is σ = 58089600. Its totient is φ = 6534864.

The previous prime is 22872397. The next prime is 22872403. The reversal of 22872402 is 20427822.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22872403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29877 + ... + 30632.

It is an arithmetic number, because the mean of its divisors is an integer number (1815300).

Almost surely, 2^22872402 is an apocalyptic number.

22872402 is an abundant number, since it is smaller than the sum of its proper divisors (35217198).

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

22872402 is a wasteful number, since it uses less digits than its factorization.

22872402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60527 (or 60521 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 22872402 is about 4782.5100104443. The cubic root of 22872402 is about 283.8598213851.

The spelling of 22872402 in words is "twenty-two million, eight hundred seventy-two thousand, four hundred two".