222222120984 has 48 divisors (see below), whose sum is σ = 601907623200. Its totient is φ = 74067142464.

The previous prime is 222222120983. The next prime is 222222121003. The reversal of 222222120984 is 489021222222.

It is a happy number.

222222120984 is a `hidden beast` number, since 2 + 222 + 221 + 209 + 8 + 4 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222120983) 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, 666337 + ... + 942575.

It is an arithmetic number, because the mean of its divisors is an integer number (12539742150).

Almost surely, 2^222222120984 is an apocalyptic number.

222222120984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222222120984 is an abundant number, since it is smaller than the sum of its proper divisors (379685502216).

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

222222120984 is a wasteful number, since it uses less digits than its factorization.

222222120984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287424 (or 287417 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

It can be divided in two parts, 222222 and 120984, that added together give a triangular number (343206 = T₈₂₈).

The spelling of 222222120984 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, nine hundred eighty-four".