722141631 has 12 divisors (see below), whose sum is σ = 1046053008. Its totient is φ = 480061824.

The previous prime is 722141597. The next prime is 722141633. The reversal of 722141631 is 136141227.

722141631 is a `hidden beast` number, since 7 + 2 + 21 + 4 + 1 + 631 = 666.

722141631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 722141631 - 2⁷ = 722141503 is a prime.

It is a super-2 number, since 2×722141631² = 1042977070446680322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 722141595 and 722141604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722141633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110475 + ... + 116828.

It is an arithmetic number, because the mean of its divisors is an integer number (87171084).

Almost surely, 2^722141631 is an apocalyptic number.

722141631 is a deficient number, since it is larger than the sum of its proper divisors (323911377).

722141631 is a wasteful number, since it uses less digits than its factorization.

722141631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227662 (or 227659 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 722141631 is about 26872.6930358682. The cubic root of 722141631 is about 897.1687284898.

Adding to 722141631 its reverse (136141227), we get a palindrome (858282858).

The spelling of 722141631 in words is "seven hundred twenty-two million, one hundred forty-one thousand, six hundred thirty-one".