36872225 has 12 divisors (see below), whose sum is σ = 49239036. Its totient is φ = 27228480.

The previous prime is 36872221. The next prime is 36872257. The reversal of 36872225 is 52227863.

It can be written as a sum of positive squares in 6 ways, for example, as 6390784 + 30481441 = 2528^2 + 5521^2 .

It is not a de Polignac number, because 36872225 - 2² = 36872221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36872221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56402 + ... + 57051.

It is an arithmetic number, because the mean of its divisors is an integer number (4103253).

Almost surely, 2^36872225 is an apocalyptic number.

It is an amenable number.

36872225 is a deficient number, since it is larger than the sum of its proper divisors (12366811).

36872225 is a wasteful number, since it uses less digits than its factorization.

36872225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113476 (or 113471 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 36872225 is about 6072.2504065626. The cubic root of 36872225 is about 332.8381620025.

The spelling of 36872225 in words is "thirty-six million, eight hundred seventy-two thousand, two hundred twenty-five".