631140622 has 16 divisors (see below), whose sum is σ = 1085868000. Its totient is φ = 269510688.

The previous prime is 631140611. The next prime is 631140661. The reversal of 631140622 is 226041136.

631140622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77497 + ... + 85252.

It is an arithmetic number, because the mean of its divisors is an integer number (67866750).

Almost surely, 2^631140622 is an apocalyptic number.

631140622 is a deficient number, since it is larger than the sum of its proper divisors (454727378).

631140622 is a wasteful number, since it uses less digits than its factorization.

631140622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163035.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 631140622 is about 25122.5122549478. The cubic root of 631140622 is about 857.7789370405.

Adding to 631140622 its reverse (226041136), we get a palindrome (857181758).

The spelling of 631140622 in words is "six hundred thirty-one million, one hundred forty thousand, six hundred twenty-two".