222131996 has 24 divisors (see below), whose sum is σ = 425794320. Its totient is φ = 100927232.

The previous prime is 222131989. The next prime is 222132041. The reversal of 222131996 is 699131222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54350 + ... + 58293.

It is an arithmetic number, because the mean of its divisors is an integer number (17741430).

Almost surely, 2^222131996 is an apocalyptic number.

It is an amenable number.

222131996 is a deficient number, since it is larger than the sum of its proper divisors (203662324).

222131996 is a wasteful number, since it uses less digits than its factorization.

222131996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112693 (or 112691 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 222131996 is about 14904.0932632616. The cubic root of 222131996 is about 605.6248772171.

The spelling of 222131996 in words is "two hundred twenty-two million, one hundred thirty-one thousand, nine hundred ninety-six".