622859747 has 4 divisors (see below), whose sum is σ = 623590800. Its totient is φ = 622128696.

The previous prime is 622859723. The next prime is 622859771. The reversal of 622859747 is 747958226.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (622859723) and next prime (622859771).

It is a cyclic number.

It is not a de Polignac number, because 622859747 - 2⁸ = 622859491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622859695 and 622859704.

It is not an unprimeable number, because it can be changed into a prime (622859777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364247 + ... + 365952.

It is an arithmetic number, because the mean of its divisors is an integer number (155897700).

Almost surely, 2^622859747 is an apocalyptic number.

622859747 is a deficient number, since it is larger than the sum of its proper divisors (731053).

622859747 is an equidigital number, since it uses as much as digits as its factorization.

622859747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731052.

The product of its digits is 1693440, while the sum is 50.

The square root of 622859747 is about 24957.1582316577. The cubic root of 622859747 is about 854.0109155678.

The spelling of 622859747 in words is "six hundred twenty-two million, eight hundred fifty-nine thousand, seven hundred forty-seven".