422632426 has 16 divisors (see below), whose sum is σ = 654865704. Its totient is φ = 204410304.

The previous prime is 422632421. The next prime is 422632487. The reversal of 422632426 is 624236224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 418243401 + 4389025 = 20451^2 + 2095^2 .

It is not an unprimeable number, because it can be changed into a prime (422632421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 29308.

Almost surely, 2^422632426 is an apocalyptic number.

422632426 is a deficient number, since it is larger than the sum of its proper divisors (232233278).

422632426 is a wasteful number, since it uses less digits than its factorization.

422632426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33225.

The product of its digits is 27648, while the sum is 31.

The square root of 422632426 is about 20558.0258293446. The cubic root of 422632426 is about 750.4485766888.

The spelling of 422632426 in words is "four hundred twenty-two million, six hundred thirty-two thousand, four hundred twenty-six".