622798992 has 60 divisors (see below), whose sum is σ = 1744848144. Its totient is φ = 207376320.

The previous prime is 622798937. The next prime is 622798997. The reversal of 622798992 is 299897226.

It is a happy number.

622798992 is a `hidden beast` number, since 622 + 7 + 9 + 8 + 9 + 9 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (622798997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183067 + ... + 186437.

Almost surely, 2^622798992 is an apocalyptic number.

It is an amenable number.

622798992 is an abundant number, since it is smaller than the sum of its proper divisors (1122049152).

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

622798992 is a wasteful number, since it uses less digits than its factorization.

622798992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4668 (or 4659 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 622798992 is about 24955.9410161188. The cubic root of 622798992 is about 853.9831473474.

The spelling of 622798992 in words is "six hundred twenty-two million, seven hundred ninety-eight thousand, nine hundred ninety-two".