22870272 has 72 divisors (see below), whose sum is σ = 61696096. Its totient is φ = 7520256.

The previous prime is 22870261. The next prime is 22870273. The reversal of 22870272 is 27207822.

It is not an unprimeable number, because it can be changed into a prime (22870273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74343 + ... + 74649.

Almost surely, 2^22870272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22870272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30848048).

22870272 is an abundant number, since it is smaller than the sum of its proper divisors (38825824).

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

22870272 is an equidigital number, since it uses as much as digits as its factorization.

22870272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 22870272 is about 4782.2873188465. The cubic root of 22870272 is about 283.8510095983.

It can be divided in two parts, 228 and 70272, that added together give a triangular number (70500 = T₃₇₅).

The spelling of 22870272 in words is "twenty-two million, eight hundred seventy thousand, two hundred seventy-two".