36221390 has 16 divisors (see below), whose sum is σ = 69034032. Its totient is φ = 13636224.

The previous prime is 36221387. The next prime is 36221401. The reversal of 36221390 is 9312263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106364 + ... + 106703.

It is an arithmetic number, because the mean of its divisors is an integer number (4314627).

Almost surely, 2^36221390 is an apocalyptic number.

36221390 is a deficient number, since it is larger than the sum of its proper divisors (32812642).

36221390 is a wasteful number, since it uses less digits than its factorization.

36221390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213091.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 36221390 is about 6018.4208892366. The cubic root of 36221390 is about 330.8682066136.

The spelling of 36221390 in words is "thirty-six million, two hundred twenty-one thousand, three hundred ninety".