22047731050816 has 14 divisors (see below), whose sum is σ = 43750966304090. Its totient is φ = 11023865525376.

The previous prime is 22047731050799. The next prime is 22047731050823. The reversal of 22047731050816 is 61805013774022.

It can be written as a sum of positive squares in only one way, i.e., 20847479337216 + 1200251713600 = 4565904^2 + 1095560^2 .

It is a super-2 number, since 2×22047731050816² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172247898771 + ... + 172247898898.

Almost surely, 2^{22047731050816} is an apocalyptic number.

It is an amenable number.

22047731050816 is a deficient number, since it is larger than the sum of its proper divisors (21703235253274).

22047731050816 is an equidigital number, since it uses as much as digits as its factorization.

22047731050816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344495797681 (or 344495797671 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 22047731050816 in words is "twenty-two trillion, forty-seven billion, seven hundred thirty-one million, fifty thousand, eight hundred sixteen".