622649692 has 48 divisors (see below), whose sum is σ = 1277918208. Its totient is φ = 259945920.

The previous prime is 622649689. The next prime is 622649711. The reversal of 622649692 is 296946226.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181053 + ... + 184459.

It is an arithmetic number, because the mean of its divisors is an integer number (26623296).

Almost surely, 2^622649692 is an apocalyptic number.

It is an amenable number.

622649692 is an abundant number, since it is smaller than the sum of its proper divisors (655268516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622649692 is a wasteful number, since it uses less digits than its factorization.

622649692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586 (or 3584 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 622649692 is about 24952.9495651316. The cubic root of 622649692 is about 853.9149017469.

The spelling of 622649692 in words is "six hundred twenty-two million, six hundred forty-nine thousand, six hundred ninety-two".