36221499 has 10 divisors (see below), whose sum is σ = 54108780. Its totient is φ = 24147612.

The previous prime is 36221489. The next prime is 36221503. The reversal of 36221499 is 99412263.

It is not a de Polignac number, because 36221499 - 2⁸ = 36221243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36221489) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 223509 + ... + 223670.

It is an arithmetic number, because the mean of its divisors is an integer number (5410878).

Almost surely, 2^36221499 is an apocalyptic number.

36221499 is a deficient number, since it is larger than the sum of its proper divisors (17887281).

36221499 is an equidigital number, since it uses as much as digits as its factorization.

36221499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447191 (or 447182 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 36221499 is about 6018.4299447613. The cubic root of 36221499 is about 330.8685385040.

The spelling of 36221499 in words is "thirty-six million, two hundred twenty-one thousand, four hundred ninety-nine".