94922721 has 12 divisors (see below), whose sum is σ = 138191872. Its totient is φ = 62782776.

The previous prime is 94922717. The next prime is 94922741. The reversal of 94922721 is 12722949.

It is not a de Polignac number, because 94922721 - 2² = 94922717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (94922741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40381 + ... + 42666.

Almost surely, 2^94922721 is an apocalyptic number.

It is an amenable number.

94922721 is a deficient number, since it is larger than the sum of its proper divisors (43269151).

94922721 is a wasteful number, since it uses less digits than its factorization.

94922721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83180 (or 83177 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 94922721 is about 9742.8292092184. The cubic root of 94922721 is about 456.1665048687.

The spelling of 94922721 in words is "ninety-four million, nine hundred twenty-two thousand, seven hundred twenty-one".