222042042456 has 32 divisors (see below), whose sum is σ = 597805499760. Its totient is φ = 68320628352.

The previous prime is 222042042427. The next prime is 222042042503. The reversal of 222042042456 is 654240240222.

It is a happy number.

222042042456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355836295 + ... + 355836918.

Almost surely, 2^222042042456 is an apocalyptic number.

222042042456 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

222042042456 is an abundant number, since it is smaller than the sum of its proper divisors (375763457304).

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

222042042456 is a wasteful number, since it uses less digits than its factorization.

222042042456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711673235 (or 711673231 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 222042042456 its reverse (654240240222), we get a palindrome (876282282678).

The spelling of 222042042456 in words is "two hundred twenty-two billion, forty-two million, forty-two thousand, four hundred fifty-six".