36222237 has 6 divisors (see below), whose sum is σ = 52321022. Its totient is φ = 24148152.

The previous prime is 36222233. The next prime is 36222253. The reversal of 36222237 is 73222263.

36222237 is a `hidden beast` number, since 3 + 622 + 2 + 2 + 37 = 666.

It can be written as a sum of positive squares in only one way, i.e., 33419961 + 2802276 = 5781^2 + 1674^2 .

It is not a de Polignac number, because 36222237 - 2² = 36222233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36222237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36222233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2012338 + ... + 2012355.

Almost surely, 2^36222237 is an apocalyptic number.

It is an amenable number.

36222237 is a deficient number, since it is larger than the sum of its proper divisors (16098785).

36222237 is a wasteful number, since it uses less digits than its factorization.

36222237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024699 (or 4024696 counting only the distinct ones).

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

The square root of 36222237 is about 6018.4912561206. The cubic root of 36222237 is about 330.8707855979.

The spelling of 36222237 in words is "thirty-six million, two hundred twenty-two thousand, two hundred thirty-seven".