222042130440 has 96 divisors (see below), whose sum is σ = 721308525120. Its totient is φ = 54656519424.

The previous prime is 222042130421. The next prime is 222042130489. The reversal of 222042130440 is 44031240222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222042130440.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5454132 + ... + 5494691.

It is an arithmetic number, because the mean of its divisors is an integer number (7513630470).

Almost surely, 2^222042130440 is an apocalyptic number.

222042130440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222042130440 is an abundant number, since it is smaller than the sum of its proper divisors (499266394680).

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

222042130440 is a wasteful number, since it uses less digits than its factorization.

222042130440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10948863 (or 10948846 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 222042130440 its reverse (44031240222), we get a palindrome (266073370662).

The spelling of 222042130440 in words is "two hundred twenty-two billion, forty-two million, one hundred thirty thousand, four hundred forty".