422292681 has 6 divisors (see below), whose sum is σ = 609978330. Its totient is φ = 281528448.

The previous prime is 422292679. The next prime is 422292707. The reversal of 422292681 is 186292224.

It can be written as a sum of positive squares in only one way, i.e., 421932681 + 360000 = 20541^2 + 600^2 .

It is not a de Polignac number, because 422292681 - 2¹ = 422292679 is a prime.

It is a super-2 number, since 2×422292681² = 356662216852335522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422292601) 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, 23460696 + ... + 23460713.

It is an arithmetic number, because the mean of its divisors is an integer number (101663055).

Almost surely, 2^422292681 is an apocalyptic number.

It is an amenable number.

422292681 is a deficient number, since it is larger than the sum of its proper divisors (187685649).

422292681 is a wasteful number, since it uses less digits than its factorization.

422292681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46921415 (or 46921412 counting only the distinct ones).

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

The square root of 422292681 is about 20549.7610935018. The cubic root of 422292681 is about 750.2474330269.

The spelling of 422292681 in words is "four hundred twenty-two million, two hundred ninety-two thousand, six hundred eighty-one".