222218922222 has 48 divisors (see below), whose sum is σ = 525595824000. Its totient is φ = 67294054800.

The previous prime is 222218922221. The next prime is 222218922223. The reversal of 222218922222 is 222229812222.

It is an interprime number because it is at equal distance from previous prime (222218922221) and next prime (222218922223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222218922221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77554 + ... + 671157.

It is an arithmetic number, because the mean of its divisors is an integer number (10949913000).

Almost surely, 2^222218922222 is an apocalyptic number.

222218922222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222218922222 is an abundant number, since it is smaller than the sum of its proper divisors (303376901778).

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

222218922222 is a wasteful number, since it uses less digits than its factorization.

222218922222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750229 (or 750226 counting only the distinct ones).

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

Subtracting 222218922222 from its reverse (222229812222), we obtain a square (10890000 = 3300²).

The spelling of 222218922222 in words is "two hundred twenty-two billion, two hundred eighteen million, nine hundred twenty-two thousand, two hundred twenty-two".