36638224 has 20 divisors (see below), whose sum is σ = 81127744. Its totient is φ = 15702048.

The previous prime is 36638221. The next prime is 36638243. The reversal of 36638224 is 42283663.

It is a self number, because there is not a number n which added to its sum of digits gives 36638224.

It is not an unprimeable number, because it can be changed into a prime (36638221) 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, 163452 + ... + 163675.

Almost surely, 2^36638224 is an apocalyptic number.

It is an amenable number.

36638224 is an abundant number, since it is smaller than the sum of its proper divisors (44489520).

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

36638224 is a wasteful number, since it uses less digits than its factorization.

36638224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327142 (or 327136 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 36638224 is about 6052.9516766616. The cubic root of 36638224 is about 332.1325739468.

The spelling of 36638224 in words is "thirty-six million, six hundred thirty-eight thousand, two hundred twenty-four".