23220688 has 20 divisors (see below), whose sum is σ = 46037728. Its totient is φ = 11340000.

The previous prime is 23220683. The next prime is 23220737. The reversal of 23220688 is 88602232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23220683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16188 + ... + 17563.

Almost surely, 2^23220688 is an apocalyptic number.

It is an amenable number.

23220688 is a deficient number, since it is larger than the sum of its proper divisors (22817040).

23220688 is a wasteful number, since it uses less digits than its factorization.

23220688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33802 (or 33796 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 23220688 is about 4818.7849090824. The cubic root of 23220688 is about 285.2933800485.

The spelling of 23220688 in words is "twenty-three million, two hundred twenty thousand, six hundred eighty-eight".