222532163456 has 64 divisors (see below), whose sum is σ = 461325110400. Its totient is φ = 106836334080.

The previous prime is 222532163431. The next prime is 222532163507. The reversal of 222532163456 is 654361235222.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17900 + ... + 667371.

It is an arithmetic number, because the mean of its divisors is an integer number (7208204850).

Almost surely, 2^222532163456 is an apocalyptic number.

It is an amenable number.

222532163456 is an abundant number, since it is smaller than the sum of its proper divisors (238792946944).

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

222532163456 is an equidigital number, since it uses as much as digits as its factorization.

222532163456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685387 (or 685375 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

Adding to 222532163456 its reverse (654361235222), we get a palindrome (876893398678).

The spelling of 222532163456 in words is "two hundred twenty-two billion, five hundred thirty-two million, one hundred sixty-three thousand, four hundred fifty-six".