622425208 has 8 divisors (see below), whose sum is σ = 1167047280. Its totient is φ = 311212600.

The previous prime is 622425203. The next prime is 622425239. The reversal of 622425208 is 802524226.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 622425208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622425203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38901568 + ... + 38901583.

It is an arithmetic number, because the mean of its divisors is an integer number (145880910).

Almost surely, 2^622425208 is an apocalyptic number.

It is an amenable number.

622425208 is a deficient number, since it is larger than the sum of its proper divisors (544622072).

622425208 is a wasteful number, since it uses less digits than its factorization.

622425208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77803157 (or 77803153 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 622425208 is about 24948.4510140409. The cubic root of 622425208 is about 853.8122687166.

The spelling of 622425208 in words is "six hundred twenty-two million, four hundred twenty-five thousand, two hundred eight".