422698631 has 2 divisors, whose sum is σ = 422698632. Its totient is φ = 422698630.

The previous prime is 422698603. The next prime is 422698649. The reversal of 422698631 is 136896224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422698631 - 2¹⁰ = 422697607 is a prime.

It is a super-2 number, since 2×422698631² = 357348265298548322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422638631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211349315 + 211349316.

It is an arithmetic number, because the mean of its divisors is an integer number (211349316).

Almost surely, 2^422698631 is an apocalyptic number.

422698631 is a deficient number, since it is larger than the sum of its proper divisors (1).

422698631 is an equidigital number, since it uses as much as digits as its factorization.

422698631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The square root of 422698631 is about 20559.6359646760. The cubic root of 422698631 is about 750.4877603473.

The spelling of 422698631 in words is "four hundred twenty-two million, six hundred ninety-eight thousand, six hundred thirty-one".