722147456 has 32 divisors (see below), whose sum is σ = 1449668880. Its totient is φ = 358309120.

The previous prime is 722147429. The next prime is 722147467. The reversal of 722147456 is 654741227.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4766 + ... + 38301.

Almost surely, 2^722147456 is an apocalyptic number.

It is an amenable number.

722147456 is an abundant number, since it is smaller than the sum of its proper divisors (727521424).

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

722147456 is a wasteful number, since it uses less digits than its factorization.

722147456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43212 (or 43200 counting only the distinct ones).

The product of its digits is 94080, while the sum is 38.

The square root of 722147456 is about 26872.8014170462. The cubic root of 722147456 is about 897.1711407561.

The spelling of 722147456 in words is "seven hundred twenty-two million, one hundred forty-seven thousand, four hundred fifty-six".