36222372 has 18 divisors (see below), whose sum is σ = 91562198. Its totient is φ = 12074112.

The previous prime is 36222343. The next prime is 36222391. The reversal of 36222372 is 27322263.

36222372 is a `hidden beast` number, since 3 + 622 + 2 + 37 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 35712576 + 509796 = 5976^2 + 714^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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 5 ways as a sum of consecutive naturals, for example, 503053 + ... + 503124.

Almost surely, 2^36222372 is an apocalyptic number.

It is an amenable number.

36222372 is an abundant number, since it is smaller than the sum of its proper divisors (55339826).

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

36222372 is a wasteful number, since it uses less digits than its factorization.

36222372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006187 (or 1006182 counting only the distinct ones).

The product of its digits is 6048, while the sum is 27.

The square root of 36222372 is about 6018.5024715456. The cubic root of 36222372 is about 330.8711966483.

Subtracting from 36222372 its product of digits (6048), we obtain a square (36216324 = 6018²).

The spelling of 36222372 in words is "thirty-six million, two hundred twenty-two thousand, three hundred seventy-two".