36212618 has 16 divisors (see below), whose sum is σ = 61939080. Its totient is φ = 15730176.

The previous prime is 36212611. The next prime is 36212623. The reversal of 36212618 is 81621263.

It can be written as a sum of positive squares in 4 ways, for example, as 24970009 + 11242609 = 4997^2 + 3353^2 .

It is a super-2 number, since 2×36212618² = 2622707404827848, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36212611) 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, 40523 + ... + 41406.

Almost surely, 2^36212618 is an apocalyptic number.

36212618 is a deficient number, since it is larger than the sum of its proper divisors (25726462).

36212618 is a wasteful number, since it uses less digits than its factorization.

36212618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81961.

The product of its digits is 3456, while the sum is 29.

The square root of 36212618 is about 6017.6920825180. The cubic root of 36212618 is about 330.8414948627.

The spelling of 36212618 in words is "thirty-six million, two hundred twelve thousand, six hundred eighteen".