22778358998016 has 528 divisors, whose sum is σ = 64842993895680. Its totient is φ = 7105031700480.

The previous prime is 22778358997913. The next prime is 22778358998047. The reversal of 22778358998016 is 61089985387722.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13235536036 + ... + 13235537756.

It is an arithmetic number, because the mean of its divisors is an integer number (122808700560).

Almost surely, 2^{22778358998016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22778358998016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32421496947840).

22778358998016 is an abundant number, since it is smaller than the sum of its proper divisors (42064634897664).

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

22778358998016 is a wasteful number, since it uses less digits than its factorization.

22778358998016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 731566080, while the sum is 75.

The spelling of 22778358998016 in words is "twenty-two trillion, seven hundred seventy-eight billion, three hundred fifty-eight million, nine hundred ninety-eight thousand, sixteen".