722168463 has 4 divisors (see below), whose sum is σ = 962891288. Its totient is φ = 481445640.

The previous prime is 722168431. The next prime is 722168471. The reversal of 722168463 is 364861227.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 722168463 - 2⁵ = 722168431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722168563) 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, 120361408 + ... + 120361413.

It is an arithmetic number, because the mean of its divisors is an integer number (240722822).

Almost surely, 2^722168463 is an apocalyptic number.

722168463 is a deficient number, since it is larger than the sum of its proper divisors (240722825).

722168463 is a wasteful number, since it uses less digits than its factorization.

722168463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240722824.

The product of its digits is 96768, while the sum is 39.

The square root of 722168463 is about 26873.1922740861. The cubic root of 722168463 is about 897.1798401296.

The spelling of 722168463 in words is "seven hundred twenty-two million, one hundred sixty-eight thousand, four hundred sixty-three".