22698864 has 60 divisors (see below), whose sum is σ = 63864216. Its totient is φ = 7526016.

The previous prime is 22698857. The next prime is 22698889. The reversal of 22698864 is 46889622.

It is a nude number because it is divisible by every one of its digits.

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 11 ways as a sum of consecutive naturals, for example, 40474 + ... + 41030.

Almost surely, 2^22698864 is an apocalyptic number.

22698864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

22698864 is the 2547-th nonagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22698864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31932108).

22698864 is an abundant number, since it is smaller than the sum of its proper divisors (41165352).

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

22698864 is a wasteful number, since it uses less digits than its factorization.

22698864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 845 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 22698864 is about 4764.3324821007. The cubic root of 22698864 is about 283.1400955359.

The spelling of 22698864 in words is "twenty-two million, six hundred ninety-eight thousand, eight hundred sixty-four".