622903977 has 12 divisors (see below), whose sum is σ = 920675184. Its totient is φ = 405611640.

The previous prime is 622903949. The next prime is 622903997. The reversal of 622903977 is 779309226.

It is a happy number.

It is not a de Polignac number, because 622903977 - 2⁶ = 622903913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (622903927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804399 + ... + 805172.

It is an arithmetic number, because the mean of its divisors is an integer number (76722932).

Almost surely, 2^622903977 is an apocalyptic number.

It is an amenable number.

622903977 is a deficient number, since it is larger than the sum of its proper divisors (297771207).

622903977 is a wasteful number, since it uses less digits than its factorization.

622903977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1609620 (or 1609617 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 45.

The square root of 622903977 is about 24958.0443344426. The cubic root of 622903977 is about 854.0311298610.

The spelling of 622903977 in words is "six hundred twenty-two million, nine hundred three thousand, nine hundred seventy-seven".