722317465 has 8 divisors (see below), whose sum is σ = 868549248. Its totient is φ = 576675120.

The previous prime is 722317457. The next prime is 722317469. The reversal of 722317465 is 564713227.

It is a happy number.

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

It is not a de Polignac number, because 722317465 - 2³ = 722317457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722317469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144657 + ... + 149566.

It is an arithmetic number, because the mean of its divisors is an integer number (108568656).

Almost surely, 2^722317465 is an apocalyptic number.

It is an amenable number.

722317465 is a deficient number, since it is larger than the sum of its proper divisors (146231783).

722317465 is a wasteful number, since it uses less digits than its factorization.

722317465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294719.

The product of its digits is 70560, while the sum is 37.

The square root of 722317465 is about 26875.9644478110. The cubic root of 722317465 is about 897.2415396750.

The spelling of 722317465 in words is "seven hundred twenty-two million, three hundred seventeen thousand, four hundred sixty-five".