722025274431 has 4 divisors (see below), whose sum is σ = 962700365912. Its totient is φ = 481350182952.

The previous prime is 722025274381. The next prime is 722025274433. The reversal of 722025274431 is 134472520227.

722025274431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134472520227 = 3 ⋅44824173409.

It is not a de Polignac number, because 722025274431 - 2⁶ = 722025274367 is a prime.

It is a super-2 number, since 2×722025274431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 722025274431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722025274433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120337545736 + ... + 120337545741.

It is an arithmetic number, because the mean of its divisors is an integer number (240675091478).

Almost surely, 2^722025274431 is an apocalyptic number.

722025274431 is a deficient number, since it is larger than the sum of its proper divisors (240675091481).

722025274431 is a wasteful number, since it uses less digits than its factorization.

722025274431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240675091480.

The product of its (nonzero) digits is 188160, while the sum is 39.

Adding to 722025274431 its reverse (134472520227), we get a palindrome (856497794658).

The spelling of 722025274431 in words is "seven hundred twenty-two billion, twenty-five million, two hundred seventy-four thousand, four hundred thirty-one".