422313431 has 16 divisors (see below), whose sum is σ = 436632768. Its totient is φ = 408307200.

The previous prime is 422313413. The next prime is 422313433. The reversal of 422313431 is 134313224.

It is a cyclic number.

It is not a de Polignac number, because 422313431 - 2²⁶ = 355204567 is a prime.

It is a super-2 number, since 2×422313431² = 356697268005983522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422313397 and 422313406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422313433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357766 + ... + 1358076.

It is an arithmetic number, because the mean of its divisors is an integer number (27289548).

Almost surely, 2^422313431 is an apocalyptic number.

422313431 is a deficient number, since it is larger than the sum of its proper divisors (14319337).

422313431 is a wasteful number, since it uses less digits than its factorization.

422313431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682.

The product of its digits is 1728, while the sum is 23.

The square root of 422313431 is about 20550.2659593495. The cubic root of 422313431 is about 750.2597210126.

Adding to 422313431 its reverse (134313224), we get a palindrome (556626655).

The spelling of 422313431 in words is "four hundred twenty-two million, three hundred thirteen thousand, four hundred thirty-one".