222120000999 has 24 divisors (see below), whose sum is σ = 345560709312. Its totient is φ = 136673127360.

The previous prime is 222120000943. The next prime is 222120001003. The reversal of 222120000999 is 999000021222.

It is not a de Polignac number, because 222120000999 - 2¹³ = 222119992807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120000929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 926514 + ... + 1141344.

It is an arithmetic number, because the mean of its divisors is an integer number (14398362888).

Almost surely, 2^222120000999 is an apocalyptic number.

222120000999 is a deficient number, since it is larger than the sum of its proper divisors (123440708313).

222120000999 is a wasteful number, since it uses less digits than its factorization.

222120000999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223687 (or 223684 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 222120000999 in words is "two hundred twenty-two billion, one hundred twenty million, nine hundred ninety-nine", and thus it is an aban number.