722458484 has 12 divisors (see below), whose sum is σ = 1379239008. Its totient is φ = 328390200.

The previous prime is 722458463. The next prime is 722458487. The reversal of 722458484 is 484854227.

It is a super-2 number, since 2×722458484² = 1043892522207156512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 16419511 = 722458484 / (7 + 2 + 2 + 4 + 5 + 8 + 4 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722458487) 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, 8209712 + ... + 8209799.

It is an arithmetic number, because the mean of its divisors is an integer number (114936584).

Almost surely, 2^722458484 is an apocalyptic number.

It is an amenable number.

722458484 is a deficient number, since it is larger than the sum of its proper divisors (656780524).

722458484 is a wasteful number, since it uses less digits than its factorization.

722458484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16419526 (or 16419524 counting only the distinct ones).

The product of its digits is 573440, while the sum is 44.

The square root of 722458484 is about 26878.5878349291. The cubic root of 722458484 is about 897.2999257622.

The spelling of 722458484 in words is "seven hundred twenty-two million, four hundred fifty-eight thousand, four hundred eighty-four".