22659738 has 16 divisors (see below), whose sum is σ = 47290176. Its totient is φ = 7224800.

The previous prime is 22659697. The next prime is 22659739. The reversal of 22659738 is 83795622.

It is a self number, because there is not a number n which added to its sum of digits gives 22659738.

It is not an unprimeable number, because it can be changed into a prime (22659739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81963 + ... + 82238.

It is an arithmetic number, because the mean of its divisors is an integer number (2955636).

Almost surely, 2^22659738 is an apocalyptic number.

22659738 is an abundant number, since it is smaller than the sum of its proper divisors (24630438).

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

22659738 is a wasteful number, since it uses less digits than its factorization.

22659738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164229.

The product of its digits is 181440, while the sum is 42.

The square root of 22659738 is about 4760.2245745343. The cubic root of 22659738 is about 282.9773192460.

The spelling of 22659738 in words is "twenty-two million, six hundred fifty-nine thousand, seven hundred thirty-eight".