722454468 has 24 divisors (see below), whose sum is σ = 1696073568. Its totient is φ = 239340096.

The previous prime is 722454443. The next prime is 722454487. The reversal of 722454468 is 864454227.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182721 + ... + 186632.

It is an arithmetic number, because the mean of its divisors is an integer number (70669732).

Almost surely, 2^722454468 is an apocalyptic number.

It is an amenable number.

722454468 is an abundant number, since it is smaller than the sum of its proper divisors (973619100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

722454468 is a wasteful number, since it uses less digits than its factorization.

722454468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369523 (or 369521 counting only the distinct ones).

The product of its digits is 430080, while the sum is 42.

The square root of 722454468 is about 26878.5131285196. The cubic root of 722454468 is about 897.2982631231.

The spelling of 722454468 in words is "seven hundred twenty-two million, four hundred fifty-four thousand, four hundred sixty-eight".