222042442220 has 12 divisors (see below), whose sum is σ = 466289128704. Its totient is φ = 88816976880.

The previous prime is 222042442199. The next prime is 222042442241. The reversal of 222042442220 is 22244240222.

It is an interprime number because it is at equal distance from previous prime (222042442199) and next prime (222042442241).

It is a super-2 number, since 2×222042442220² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222042442220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551061036 + ... + 5551061075.

It is an arithmetic number, because the mean of its divisors is an integer number (38857427392).

Almost surely, 2^222042442220 is an apocalyptic number.

222042442220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222042442220 is an abundant number, since it is smaller than the sum of its proper divisors (244246686484).

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

222042442220 is a wasteful number, since it uses less digits than its factorization.

222042442220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11102122120 (or 11102122118 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 222042442220 its reverse (22244240222), we get a palindrome (244286682442).

The spelling of 222042442220 in words is "two hundred twenty-two billion, forty-two million, four hundred forty-two thousand, two hundred twenty".