656376222 has 24 divisors (see below), whose sum is σ = 1394519256. Its totient is φ = 205921408.

The previous prime is 656376211. The next prime is 656376229. The reversal of 656376222 is 222673656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656376229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187533 + ... + 191000.

It is an arithmetic number, because the mean of its divisors is an integer number (58104969).

Almost surely, 2^656376222 is an apocalyptic number.

656376222 is an abundant number, since it is smaller than the sum of its proper divisors (738143034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

656376222 is a wasteful number, since it uses less digits than its factorization.

656376222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378572 (or 378555 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The square root of 656376222 is about 25619.8403976293. The cubic root of 656376222 is about 869.0623720672.

The spelling of 656376222 in words is "six hundred fifty-six million, three hundred seventy-six thousand, two hundred twenty-two".