36622865 has 12 divisors (see below), whose sum is σ = 44605812. Its totient is φ = 28865760.

The previous prime is 36622849. The next prime is 36622897. The reversal of 36622865 is 56822663.

It can be written as a sum of positive squares in 2 ways, for example, as 26863489 + 9759376 = 5183^2 + 3124^2 .

It is not a de Polignac number, because 36622865 - 2⁴ = 36622849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 24479 + ... + 25931.

It is an arithmetic number, because the mean of its divisors is an integer number (3717151).

Almost surely, 2^36622865 is an apocalyptic number.

It is an amenable number.

36622865 is a deficient number, since it is larger than the sum of its proper divisors (7982947).

36622865 is an equidigital number, since it uses as much as digits as its factorization.

36622865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1529 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 36622865 is about 6051.6828238102. The cubic root of 36622865 is about 332.0861566933.

The spelling of 36622865 in words is "thirty-six million, six hundred twenty-two thousand, eight hundred sixty-five".