622725147 has 24 divisors (see below), whose sum is σ = 1038988080. Its totient is φ = 355207680.

The previous prime is 622725139. The next prime is 622725151. The reversal of 622725147 is 741527226.

It is a happy number.

622725147 is a `hidden beast` number, since 622 + 7 + 25 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 622725147 - 2³ = 622725139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622225147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183322 + ... + 186687.

It is an arithmetic number, because the mean of its divisors is an integer number (43291170).

Almost surely, 2^622725147 is an apocalyptic number.

622725147 is a deficient number, since it is larger than the sum of its proper divisors (416262933).

622725147 is a wasteful number, since it uses less digits than its factorization.

622725147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370043 (or 370040 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 622725147 is about 24954.4614648363. The cubic root of 622725147 is about 853.9493938791.

The spelling of 622725147 in words is "six hundred twenty-two million, seven hundred twenty-five thousand, one hundred forty-seven".