396881222 has 12 divisors (see below), whose sum is σ = 598447836. Its totient is φ = 197404020.

The previous prime is 396881197. The next prime is 396881231. The reversal of 396881222 is 222188693.

It is a self number, because there is not a number n which added to its sum of digits gives 396881222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76697 + ... + 81707.

It is an arithmetic number, because the mean of its divisors is an integer number (49870653).

Almost surely, 2^396881222 is an apocalyptic number.

396881222 is a deficient number, since it is larger than the sum of its proper divisors (201566614).

396881222 is an equidigital number, since it uses as much as digits as its factorization.

396881222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5411 (or 5212 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 396881222 is about 19921.8779737253. The cubic root of 396881222 is about 734.8863550826.

The spelling of 396881222 in words is "three hundred ninety-six million, eight hundred eighty-one thousand, two hundred twenty-two".