22396864 has 28 divisors (see below), whose sum is σ = 50793904. Its totient is φ = 9598464.

The previous prime is 22396861. The next prime is 22396867. The reversal of 22396864 is 46869322.

It is an interprime number because it is at equal distance from previous prime (22396861) and next prime (22396867).

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22396861) 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, 24549 + ... + 25444.

It is an arithmetic number, because the mean of its divisors is an integer number (1814068).

Almost surely, 2^22396864 is an apocalyptic number.

It is an amenable number.

22396864 is an abundant number, since it is smaller than the sum of its proper divisors (28397040).

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

22396864 is an equidigital number, since it uses as much as digits as its factorization.

22396864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50012 (or 50002 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 22396864 is about 4732.5325144155. The cubic root of 22396864 is about 281.8787937110.

The spelling of 22396864 in words is "twenty-two million, three hundred ninety-six thousand, eight hundred sixty-four".