364618221 has 16 divisors (see below), whose sum is σ = 538272768. Its totient is φ = 217681200.

The previous prime is 364618201. The next prime is 364618237. The reversal of 364618221 is 122816463.

It is not a de Polignac number, because 364618221 - 2⁹ = 364617709 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (364618201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80245 + ... + 84666.

It is an arithmetic number, because the mean of its divisors is an integer number (33642048).

Almost surely, 2^364618221 is an apocalyptic number.

It is an amenable number.

364618221 is a deficient number, since it is larger than the sum of its proper divisors (173654547).

364618221 is a wasteful number, since it uses less digits than its factorization.

364618221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164992.

The product of its digits is 13824, while the sum is 33.

The square root of 364618221 is about 19094.9789473568. The cubic root of 364618221 is about 714.4076930789.

The spelling of 364618221 in words is "three hundred sixty-four million, six hundred eighteen thousand, two hundred twenty-one".