222120322992 has 60 divisors (see below), whose sum is σ = 623251609344. Its totient is φ = 73846773120.

The previous prime is 222120322901. The next prime is 222120322997. The reversal of 222120322992 is 299223021222.

222120322992 is a `hidden beast` number, since 2 + 221 + 20 + 322 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (222120322997) 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, 1958559 + ... + 2068862.

Almost surely, 2^222120322992 is an apocalyptic number.

It is an amenable number.

222120322992 is an abundant number, since it is smaller than the sum of its proper divisors (401131286352).

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

222120322992 is a wasteful number, since it uses less digits than its factorization.

222120322992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027818 (or 4027809 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 222120322992 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty-two thousand, nine hundred ninety-two".