422474831 has 2 divisors, whose sum is σ = 422474832. Its totient is φ = 422474830.

The previous prime is 422474821. The next prime is 422474839. The reversal of 422474831 is 138474224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422474831 - 2¹⁴ = 422458447 is a prime.

It is a super-2 number, since 2×422474831² = 356969965656957122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422474791 and 422474800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422474839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211237415 + 211237416.

It is an arithmetic number, because the mean of its divisors is an integer number (211237416).

Almost surely, 2^422474831 is an apocalyptic number.

422474831 is a deficient number, since it is larger than the sum of its proper divisors (1).

422474831 is an equidigital number, since it uses as much as digits as its factorization.

422474831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 35.

The square root of 422474831 is about 20554.1925406959. The cubic root of 422474831 is about 750.3552870756.

The spelling of 422474831 in words is "four hundred twenty-two million, four hundred seventy-four thousand, eight hundred thirty-one".