222100996 has 12 divisors (see below), whose sum is σ = 418575052. Its totient is φ = 102508128.

The previous prime is 222100987. The next prime is 222100999. The reversal of 222100996 is 699001222.

It can be written as a sum of positive squares in 2 ways, for example, as 99201600 + 122899396 = 9960^2 + 11086^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (222100999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2135535 + ... + 2135638.

Almost surely, 2^222100996 is an apocalyptic number.

222100996 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

222100996 is a deficient number, since it is larger than the sum of its proper divisors (196474056).

222100996 is a wasteful number, since it uses less digits than its factorization.

222100996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271190 (or 4271188 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 222100996 is about 14903.0532442181. The cubic root of 222100996 is about 605.5967029109.

The spelling of 222100996 in words is "two hundred twenty-two million, one hundred thousand, nine hundred ninety-six".