396622227 has 8 divisors (see below), whose sum is σ = 530712720. Its totient is φ = 263473280.

The previous prime is 396622217. The next prime is 396622229. The reversal of 396622227 is 722226693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 396622227 - 2⁴ = 396622211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (396622229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234402 + ... + 236087.

It is an arithmetic number, because the mean of its divisors is an integer number (66339090).

Almost surely, 2^396622227 is an apocalyptic number.

396622227 is a deficient number, since it is larger than the sum of its proper divisors (134090493).

396622227 is a wasteful number, since it uses less digits than its factorization.

396622227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470773.

The product of its digits is 108864, while the sum is 39.

The square root of 396622227 is about 19915.3766472040. The cubic root of 396622227 is about 734.7264639968.

It can be divided in two parts, 39 and 6622227, that added together give a palindrome (6622266).

The spelling of 396622227 in words is "three hundred ninety-six million, six hundred twenty-two thousand, two hundred twenty-seven".