722469216 has 48 divisors (see below), whose sum is σ = 2167409664. Its totient is φ = 206419584.

The previous prime is 722469193. The next prime is 722469217. The reversal of 722469216 is 612964227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722469217) 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, 536880 + ... + 538223.

It is an arithmetic number, because the mean of its divisors is an integer number (45154368).

Almost surely, 2^722469216 is an apocalyptic number.

It is an amenable number.

722469216 is an abundant number, since it is smaller than the sum of its proper divisors (1444940448).

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

722469216 is a wasteful number, since it uses less digits than its factorization.

722469216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075123 (or 1075115 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 722469216 is about 26878.7874726521. The cubic root of 722469216 is about 897.3043688204.

The spelling of 722469216 in words is "seven hundred twenty-two million, four hundred sixty-nine thousand, two hundred sixteen".