722478025 has 12 divisors (see below), whose sum is σ = 896317632. Its totient is φ = 577695440.

The previous prime is 722478023. The next prime is 722478101. The reversal of 722478025 is 520874227.

It is not a de Polignac number, because 722478025 - 2¹ = 722478023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (722478023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54612 + ... + 66538.

It is an arithmetic number, because the mean of its divisors is an integer number (74693136).

Almost surely, 2^722478025 is an apocalyptic number.

It is an amenable number.

722478025 is a deficient number, since it is larger than the sum of its proper divisors (173839607).

722478025 is a wasteful number, since it uses less digits than its factorization.

722478025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14360 (or 14355 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 722478025 is about 26878.9513374313. The cubic root of 722478025 is about 897.3080157218.

The spelling of 722478025 in words is "seven hundred twenty-two million, four hundred seventy-eight thousand, twenty-five".