22068936 has 40 divisors (see below), whose sum is σ = 61815270. Its totient is φ = 7356096.

The previous prime is 22068923. The next prime is 22068961. The reversal of 22068936 is 63986022.

It can be written as a sum of positive squares in only one way, i.e., 15256836 + 6812100 = 3906^2 + 2610^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22068936.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16381 + ... + 17676.

Almost surely, 2^22068936 is an apocalyptic number.

It is an amenable number.

22068936 is an abundant number, since it is smaller than the sum of its proper divisors (39746334).

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

22068936 is a wasteful number, since it uses less digits than its factorization.

22068936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34075 (or 34062 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 22068936 is about 4697.7586144884. The cubic root of 22068936 is about 280.4962966711.

The spelling of 22068936 in words is "twenty-two million, sixty-eight thousand, nine hundred thirty-six".