36622665 has 16 divisors (see below), whose sum is σ = 65107200. Its totient is φ = 19532016.

The previous prime is 36622661. The next prime is 36622673. The reversal of 36622665 is 56622663.

It is not a de Polignac number, because 36622665 - 2² = 36622661 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36622661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135505 + ... + 135774.

It is an arithmetic number, because the mean of its divisors is an integer number (4069200).

Almost surely, 2^36622665 is an apocalyptic number.

It is an amenable number.

36622665 is a deficient number, since it is larger than the sum of its proper divisors (28484535).

36622665 is a wasteful number, since it uses less digits than its factorization.

36622665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271293 (or 271287 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 36622665 is about 6051.6662994584. Note that the first 3 decimals coincide. The cubic root of 36622665 is about 332.0855521770.

The spelling of 36622665 in words is "thirty-six million, six hundred twenty-two thousand, six hundred sixty-five".