722525431 has 8 divisors (see below), whose sum is σ = 742216464. Its totient is φ = 702965760.

The previous prime is 722525429. The next prime is 722525437. The reversal of 722525431 is 134525227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 722525431 - 2¹ = 722525429 is a prime.

It is a super-2 number, since 2×722525431² = 1044085996883471522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 722525393 and 722525402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722525437) 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 7 ways as a sum of consecutive naturals, for example, 21640 + ... + 43741.

It is an arithmetic number, because the mean of its divisors is an integer number (92777058).

Almost surely, 2^722525431 is an apocalyptic number.

722525431 is a deficient number, since it is larger than the sum of its proper divisors (19691033).

722525431 is a wasteful number, since it uses less digits than its factorization.

722525431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65681.

The product of its digits is 16800, while the sum is 31.

The square root of 722525431 is about 26879.8331654049. The cubic root of 722525431 is about 897.3276411646.

The spelling of 722525431 in words is "seven hundred twenty-two million, five hundred twenty-five thousand, four hundred thirty-one".