622689052257 has 16 divisors (see below), whose sum is σ = 923248106880. Its totient is φ = 414790421616.

The previous prime is 622689052229. The next prime is 622689052261. The reversal of 622689052257 is 752250986226.

622689052257 is a `hidden beast` number, since 6 + 2 + 2 + 68 + 9 + 0 + 522 + 57 = 666.

It is not a de Polignac number, because 622689052257 - 2¹¹ = 622689050209 is a prime.

It is a super-3 number, since 3×622689052257³ (a number of 36 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (622689092257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9288573 + ... + 9355370.

It is an arithmetic number, because the mean of its divisors is an integer number (57703006680).

Almost surely, 2^622689052257 is an apocalyptic number.

It is an amenable number.

622689052257 is a deficient number, since it is larger than the sum of its proper divisors (300559054623).

622689052257 is a wasteful number, since it uses less digits than its factorization.

622689052257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18645189 (or 18645183 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 622689052257 in words is "six hundred twenty-two billion, six hundred eighty-nine million, fifty-two thousand, two hundred fifty-seven".