222634020816 has 60 divisors (see below), whose sum is σ = 627034681572. Its totient is φ = 73738649088.

The previous prime is 222634020709. The next prime is 222634020821. The reversal of 222634020816 is 618020436222.

222634020816 is a `hidden beast` number, since 2 + 2 + 2 + 634 + 0 + 2 + 0 + 8 + 16 = 666.

222634020816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111425110416 + 111208910400 = 333804^2 + 333480^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 4901181 + ... + 4946396.

Almost surely, 2^222634020816 is an apocalyptic number.

It is an amenable number.

222634020816 is an abundant number, since it is smaller than the sum of its proper divisors (404400660756).

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

222634020816 is a wasteful number, since it uses less digits than its factorization.

222634020816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9847748 (or 9847739 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 222634020816 in words is "two hundred twenty-two billion, six hundred thirty-four million, twenty thousand, eight hundred sixteen".