622562347 has 4 divisors (see below), whose sum is σ = 679158936. Its totient is φ = 565965760.

The previous prime is 622562309. The next prime is 622562357. The reversal of 622562347 is 743265226.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622562347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622562357) 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, 28298278 + ... + 28298299.

It is an arithmetic number, because the mean of its divisors is an integer number (169789734).

Almost surely, 2^622562347 is an apocalyptic number.

622562347 is a deficient number, since it is larger than the sum of its proper divisors (56596589).

622562347 is a wasteful number, since it uses less digits than its factorization.

622562347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56596588.

The product of its digits is 120960, while the sum is 37.

The square root of 622562347 is about 24951.1993098528. The cubic root of 622562347 is about 853.8749709555.

The spelling of 622562347 in words is "six hundred twenty-two million, five hundred sixty-two thousand, three hundred forty-seven".