722934231 has 16 divisors (see below), whose sum is σ = 1048199904. Its totient is φ = 441345024.

The previous prime is 722934209. The next prime is 722934269. The reversal of 722934231 is 132439227.

It is not a de Polignac number, because 722934231 - 2⁹ = 722933719 is a prime.

It is a super-2 number, since 2×722934231² = 1045267804703122722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 722934192 and 722934201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722934431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189670 + ... + 193443.

It is an arithmetic number, because the mean of its divisors is an integer number (65512494).

Almost surely, 2^722934231 is an apocalyptic number.

722934231 is a deficient number, since it is larger than the sum of its proper divisors (325265673).

722934231 is a wasteful number, since it uses less digits than its factorization.

722934231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383170.

The product of its digits is 18144, while the sum is 33.

The square root of 722934231 is about 26887.4363039692. The cubic root of 722934231 is about 897.4968432267.

The spelling of 722934231 in words is "seven hundred twenty-two million, nine hundred thirty-four thousand, two hundred thirty-one".