22477216 has 12 divisors (see below), whose sum is σ = 44252082. Its totient is φ = 11238592.

The previous prime is 22477199. The next prime is 22477223. The reversal of 22477216 is 61277422.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 10890000 = 3404^2 + 3300^2 .

It is a super-2 number, since 2×22477216² = 1010450478221312, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 351175 + ... + 351238.

Almost surely, 2^22477216 is an apocalyptic number.

It is an amenable number.

22477216 is a deficient number, since it is larger than the sum of its proper divisors (21774866).

22477216 is an equidigital number, since it uses as much as digits as its factorization.

22477216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702423 (or 702415 counting only the distinct ones).

The product of its digits is 9408, while the sum is 31.

The square root of 22477216 is about 4741.0142374813. The cubic root of 22477216 is about 282.2154850820.

The spelling of 22477216 in words is "twenty-two million, four hundred seventy-seven thousand, two hundred sixteen".