631542226 has 16 divisors (see below), whose sum is σ = 1083885696. Its totient is φ = 270350496.

The previous prime is 631542179. The next prime is 631542239. The reversal of 631542226 is 622245136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13011 + ... + 37846.

It is an arithmetic number, because the mean of its divisors is an integer number (67742856).

Almost surely, 2^631542226 is an apocalyptic number.

631542226 is a deficient number, since it is larger than the sum of its proper divisors (452343470).

631542226 is a wasteful number, since it uses less digits than its factorization.

631542226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51753.

The product of its digits is 17280, while the sum is 31.

The square root of 631542226 is about 25130.5038946695. The cubic root of 631542226 is about 857.9608375545.

The spelling of 631542226 in words is "six hundred thirty-one million, five hundred forty-two thousand, two hundred twenty-six".