92722381 has 4 divisors (see below), whose sum is σ = 92807100. Its totient is φ = 92637664.

The previous prime is 92722363. The next prime is 92722391. The reversal of 92722381 is 18322729.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10530025 + 82192356 = 3245^2 + 9066^2 .

It is a cyclic number.

It is not a de Polignac number, because 92722381 - 2¹¹ = 92720333 is a prime.

It is a super-2 number, since 2×92722381² = 17194879876618322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92722321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40696 + ... + 42913.

It is an arithmetic number, because the mean of its divisors is an integer number (23201775).

Almost surely, 2^92722381 is an apocalyptic number.

It is an amenable number.

92722381 is a deficient number, since it is larger than the sum of its proper divisors (84719).

92722381 is a wasteful number, since it uses less digits than its factorization.

92722381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84718.

The product of its digits is 12096, while the sum is 34.

The square root of 92722381 is about 9629.2461283322. The cubic root of 92722381 is about 452.6142173749.

The spelling of 92722381 in words is "ninety-two million, seven hundred twenty-two thousand, three hundred eighty-one".