22758072 has 16 divisors (see below), whose sum is σ = 56895240. Its totient is φ = 7586016.

The previous prime is 22758059. The next prime is 22758077. The reversal of 22758072 is 27085722.

It is a super-4 number, since 4×22758072⁴ (a number of 31 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22758077) 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, 474103 + ... + 474150.

Almost surely, 2^22758072 is an apocalyptic number.

It is an amenable number.

22758072 is an abundant number, since it is smaller than the sum of its proper divisors (34137168).

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

22758072 is a wasteful number, since it uses less digits than its factorization.

22758072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948262 (or 948258 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 22758072 is about 4770.5421075597. The cubic root of 22758072 is about 283.3860638498.

The spelling of 22758072 in words is "twenty-two million, seven hundred fifty-eight thousand, seventy-two".