22868638 has 32 divisors (see below), whose sum is σ = 40400640. Its totient is φ = 9607680.

The previous prime is 22868633. The next prime is 22868663. The reversal of 22868638 is 83686822.

It is a junction number, because it is equal to n+sod(n) for n = 22868594 and 22868603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22868633) 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, 12868 + ... + 14536.

It is an arithmetic number, because the mean of its divisors is an integer number (1262520).

Almost surely, 2^22868638 is an apocalyptic number.

22868638 is a deficient number, since it is larger than the sum of its proper divisors (17532002).

22868638 is a wasteful number, since it uses less digits than its factorization.

22868638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732.

The product of its digits is 221184, while the sum is 43.

The square root of 22868638 is about 4782.1164770424. The cubic root of 22868638 is about 283.8442493873.

The spelling of 22868638 in words is "twenty-two million, eight hundred sixty-eight thousand, six hundred thirty-eight".