222858877257216 has 160 divisors (see below), whose sum is σ = 666478558579680. Its totient is φ = 73520453910528.

The previous prime is 222858877257197. The next prime is 222858877257223. The reversal of 222858877257216 is 612752778858222.

It is a happy number.

222858877257216 is a `hidden beast` number, since 2 + 2 + 2 + 8 + 588 + 7 + 7 + 25 + 7 + 2 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81757821 + ... + 84439676.

It is an arithmetic number, because the mean of its divisors is an integer number (4165490991123).

Almost surely, 2^{222858877257216} is an apocalyptic number.

It is an amenable number.

222858877257216 is an abundant number, since it is smaller than the sum of its proper divisors (443619681322464).

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

222858877257216 is an equidigital number, since it uses as much as digits as its factorization.

222858877257216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166197621 (or 166197599 counting only the distinct ones).

The product of its digits is 842956800, while the sum is 72.

The spelling of 222858877257216 in words is "two hundred twenty-two trillion, eight hundred fifty-eight billion, eight hundred seventy-seven million, two hundred fifty-seven thousand, two hundred sixteen".