722182625 has 8 divisors (see below), whose sum is σ = 901284072. Its totient is φ = 577746000.

The previous prime is 722182619. The next prime is 722182631. The reversal of 722182625 is 526281227.

It is an interprime number because it is at equal distance from previous prime (722182619) and next prime (722182631).

It can be written as a sum of positive squares in 4 ways, for example, as 5870929 + 716311696 = 2423^2 + 26764^2 .

It is not a de Polignac number, because 722182625 - 2⁶ = 722182561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2888606 + ... + 2888855.

It is an arithmetic number, because the mean of its divisors is an integer number (112660509).

Almost surely, 2^722182625 is an apocalyptic number.

It is an amenable number.

722182625 is a deficient number, since it is larger than the sum of its proper divisors (179101447).

722182625 is an equidigital number, since it uses as much as digits as its factorization.

722182625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777476 (or 5777466 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 722182625 is about 26873.4557695880. The cubic root of 722182625 is about 897.1857047713.

The spelling of 722182625 in words is "seven hundred twenty-two million, one hundred eighty-two thousand, six hundred twenty-five".