36221272 has 16 divisors (see below), whose sum is σ = 68929560. Its totient is φ = 17840064.

The previous prime is 36221267. The next prime is 36221281. The reversal of 36221272 is 27212263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33253 + ... + 34324.

Almost surely, 2^36221272 is an apocalyptic number.

It is an amenable number.

36221272 is a deficient number, since it is larger than the sum of its proper divisors (32708288).

36221272 is a wasteful number, since it uses less digits than its factorization.

36221272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67650 (or 67646 counting only the distinct ones).

The product of its digits is 2016, while the sum is 25.

The square root of 36221272 is about 6018.4110859927. The cubic root of 36221272 is about 330.8678473186.

Subtracting from 36221272 its reverse (27212263), we obtain a palindrome (9009009).

The spelling of 36221272 in words is "thirty-six million, two hundred twenty-one thousand, two hundred seventy-two".