722525420 has 24 divisors (see below), whose sum is σ = 1522103184. Its totient is φ = 288095936.

The previous prime is 722525359. The next prime is 722525423. The reversal of 722525420 is 24525227.

722525420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (722525423) 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, 50642 + ... + 63321.

It is an arithmetic number, because the mean of its divisors is an integer number (63420966).

Almost surely, 2^722525420 is an apocalyptic number.

It is an amenable number.

722525420 is an abundant number, since it is smaller than the sum of its proper divisors (799577764).

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

722525420 is a wasteful number, since it uses less digits than its factorization.

722525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114289 (or 114287 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 722525420 is about 26879.8329607905. The cubic root of 722525420 is about 897.3276366108.

The spelling of 722525420 in words is "seven hundred twenty-two million, five hundred twenty-five thousand, four hundred twenty".