722225465 has 8 divisors (see below), whose sum is σ = 933337608. Its totient is φ = 533335680.

The previous prime is 722225437. The next prime is 722225479. The reversal of 722225465 is 564522227.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4414201 + 717811264 = 2101^2 + 26792^2 .

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

It is not a de Polignac number, because 722225465 - 2²⁰ = 721176889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5555516 + ... + 5555645.

It is an arithmetic number, because the mean of its divisors is an integer number (116667201).

Almost surely, 2^722225465 is an apocalyptic number.

It is an amenable number.

722225465 is a deficient number, since it is larger than the sum of its proper divisors (211112143).

722225465 is a wasteful number, since it uses less digits than its factorization.

722225465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111179.

The product of its digits is 67200, while the sum is 35.

The square root of 722225465 is about 26874.2528268229. The cubic root of 722225465 is about 897.2034448250.

The spelling of 722225465 in words is "seven hundred twenty-two million, two hundred twenty-five thousand, four hundred sixty-five".