422853731 has 2 divisors, whose sum is σ = 422853732. Its totient is φ = 422853730.

The previous prime is 422853719. The next prime is 422853737. The reversal of 422853731 is 137358224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422853731 - 2⁶ = 422853667 is a prime.

It is a super-2 number, since 2×422853731² = 357610555641240722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422853691 and 422853700.

It is not a weakly prime, because it can be changed into another prime (422853737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211426865 + 211426866.

It is an arithmetic number, because the mean of its divisors is an integer number (211426866).

Almost surely, 2^422853731 is an apocalyptic number.

422853731 is a deficient number, since it is larger than the sum of its proper divisors (1).

422853731 is an equidigital number, since it uses as much as digits as its factorization.

422853731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 35.

The square root of 422853731 is about 20563.4075726763. The cubic root of 422853731 is about 750.5795408020.

The spelling of 422853731 in words is "four hundred twenty-two million, eight hundred fifty-three thousand, seven hundred thirty-one".