22252704 has 24 divisors (see below), whose sum is σ = 58413600. Its totient is φ = 7417536.

The previous prime is 22252691. The next prime is 22252717. The reversal of 22252704 is 40725222.

It is an interprime number because it is at equal distance from previous prime (22252691) and next prime (22252717).

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115804 + ... + 115995.

It is an arithmetic number, because the mean of its divisors is an integer number (2433900).

Almost surely, 2^22252704 is an apocalyptic number.

22252704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22252704 is an abundant number, since it is smaller than the sum of its proper divisors (36160896).

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

22252704 is a wasteful number, since it uses less digits than its factorization.

22252704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231812 (or 231804 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 22252704 is about 4717.2771807474. The cubic root of 22252704 is about 281.2727096724.

Adding to 22252704 its reverse (40725222), we get a palindrome (62977926).

The spelling of 22252704 in words is "twenty-two million, two hundred fifty-two thousand, seven hundred four".