94922181 has 6 divisors (see below), whose sum is σ = 137109830. Its totient is φ = 63281448.

The previous prime is 94922171. The next prime is 94922189. The reversal of 94922181 is 18122949.

It can be written as a sum of positive squares in only one way, i.e., 60699681 + 34222500 = 7791^2 + 5850^2 .

It is not a de Polignac number, because 94922181 - 2⁶ = 94922117 is a prime.

It is a super-2 number, since 2×94922181² = 18020440891593522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94922189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5273446 + ... + 5273463.

Almost surely, 2^94922181 is an apocalyptic number.

It is an amenable number.

94922181 is a deficient number, since it is larger than the sum of its proper divisors (42187649).

94922181 is a wasteful number, since it uses less digits than its factorization.

94922181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546915 (or 10546912 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 94922181 is about 9742.8014964896. The cubic root of 94922181 is about 456.1656398479.

The spelling of 94922181 in words is "ninety-four million, nine hundred twenty-two thousand, one hundred eighty-one".