622625673 has 4 divisors (see below), whose sum is σ = 830167568. Its totient is φ = 415083780.

The previous prime is 622625671. The next prime is 622625693. The reversal of 622625673 is 376526226.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 622625673 - 2¹ = 622625671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622625671) 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, 103770943 + ... + 103770948.

It is an arithmetic number, because the mean of its divisors is an integer number (207541892).

Almost surely, 2^622625673 is an apocalyptic number.

It is an amenable number.

622625673 is a deficient number, since it is larger than the sum of its proper divisors (207541895).

622625673 is a wasteful number, since it uses less digits than its factorization.

622625673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207541894.

The product of its digits is 181440, while the sum is 39.

The square root of 622625673 is about 24952.4682747018. The cubic root of 622625673 is about 853.9039215516.

The spelling of 622625673 in words is "six hundred twenty-two million, six hundred twenty-five thousand, six hundred seventy-three".