622470725 has 24 divisors (see below), whose sum is σ = 818963208. Its totient is φ = 467712000.

The previous prime is 622470677. The next prime is 622470749. The reversal of 622470725 is 527074226.

It can be written as a sum of positive squares in 12 ways, for example, as 3157729 + 619312996 = 1777^2 + 24886^2 .

It is a de Polignac number, because none of the positive numbers 2^k-622470725 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 254207 + ... + 256643.

It is an arithmetic number, because the mean of its divisors is an integer number (34123467).

Almost surely, 2^622470725 is an apocalyptic number.

It is an amenable number.

622470725 is a deficient number, since it is larger than the sum of its proper divisors (196492483).

622470725 is a wasteful number, since it uses less digits than its factorization.

622470725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065 (or 3060 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 622470725 is about 24949.3632183268. The cubic root of 622470725 is about 853.8330808695.

The spelling of 622470725 in words is "six hundred twenty-two million, four hundred seventy thousand, seven hundred twenty-five".