622913247 has 48 divisors (see below), whose sum is σ = 1022216832. Its totient is φ = 375930720.

The previous prime is 622913237. The next prime is 622913251. The reversal of 622913247 is 742319226.

622913247 is a `hidden beast` number, since 622 + 9 + 1 + 3 + 24 + 7 = 666.

It is not a de Polignac number, because 622913247 - 2¹⁰ = 622912223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622913227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1060888 + ... + 1061474.

It is an arithmetic number, because the mean of its divisors is an integer number (21296184).

Almost surely, 2^622913247 is an apocalyptic number.

622913247 is a deficient number, since it is larger than the sum of its proper divisors (399303585).

622913247 is a wasteful number, since it uses less digits than its factorization.

622913247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 998 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 622913247 is about 24958.2300454179. The cubic root of 622913247 is about 854.0353663777.

The spelling of 622913247 in words is "six hundred twenty-two million, nine hundred thirteen thousand, two hundred forty-seven".