22402672 has 20 divisors (see below), whose sum is σ = 45690280. Its totient is φ = 10611648.

The previous prime is 22402669. The next prime is 22402693. The reversal of 22402672 is 27620422.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 36543 + ... + 37150.

It is an arithmetic number, because the mean of its divisors is an integer number (2284514).

Almost surely, 2^22402672 is an apocalyptic number.

It is an amenable number.

22402672 is an abundant number, since it is smaller than the sum of its proper divisors (23287608).

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

22402672 is a wasteful number, since it uses less digits than its factorization.

22402672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73720 (or 73714 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 22402672 is about 4733.1460995832. The cubic root of 22402672 is about 281.9031573978.

The spelling of 22402672 in words is "twenty-two million, four hundred two thousand, six hundred seventy-two".