722398452 has 48 divisors (see below), whose sum is σ = 1738125312. Its totient is φ = 233382240.

The previous prime is 722398451. The next prime is 722398463. The reversal of 722398452 is 254893227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722398451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62253 + ... + 72939.

It is an arithmetic number, because the mean of its divisors is an integer number (36210944).

Almost surely, 2^722398452 is an apocalyptic number.

It is an amenable number.

722398452 is an abundant number, since it is smaller than the sum of its proper divisors (1015726860).

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

722398452 is a wasteful number, since it uses less digits than its factorization.

722398452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10868 (or 10866 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 722398452 is about 26877.4710863950. The cubic root of 722398452 is about 897.2750716461.

The spelling of 722398452 in words is "seven hundred twenty-two million, three hundred ninety-eight thousand, four hundred fifty-two".