922242681 has 6 divisors (see below), whose sum is σ = 1332128330. Its totient is φ = 614828448.

The previous prime is 922242677. The next prime is 922242689. The reversal of 922242681 is 186242229.

922242681 is a `hidden beast` number, since 9 + 222 + 426 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 598242681 + 324000000 = 24459^2 + 18000^2 .

It is not a de Polignac number, because 922242681 - 2² = 922242677 is a prime.

It is a super-2 number, since 2×922242681² = 1701063125316135522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (922242689) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51235696 + ... + 51235713.

Almost surely, 2^922242681 is an apocalyptic number.

It is an amenable number.

922242681 is a deficient number, since it is larger than the sum of its proper divisors (409885649).

922242681 is a wasteful number, since it uses less digits than its factorization.

922242681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102471415 (or 102471412 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 922242681 is about 30368.4487750033. The cubic root of 922242681 is about 973.3784771263.

The spelling of 922242681 in words is "nine hundred twenty-two million, two hundred forty-two thousand, six hundred eighty-one".