622397635729 has 8 divisors (see below), whose sum is σ = 629978905152. Its totient is φ = 614844188400.

The previous prime is 622397635721. The next prime is 622397635793. The reversal of 622397635729 is 927536793226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622397635729 - 2³ = 622397635721 is a prime.

It is a super-2 number, since 2×622397635729² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622397635721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6910509 + ... + 6999994.

It is an arithmetic number, because the mean of its divisors is an integer number (78747363144).

Almost surely, 2^622397635729 is an apocalyptic number.

It is an amenable number.

622397635729 is a deficient number, since it is larger than the sum of its proper divisors (7581269423).

622397635729 is a wasteful number, since it uses less digits than its factorization.

622397635729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13911047.

The product of its digits is 51438240, while the sum is 61.

The spelling of 622397635729 in words is "six hundred twenty-two billion, three hundred ninety-seven million, six hundred thirty-five thousand, seven hundred twenty-nine".