22350997507 has 8 divisors (see below), whose sum is σ = 22572537680. Its totient is φ = 22129757280.

The previous prime is 22350997483. The next prime is 22350997511. The reversal of 22350997507 is 70579905322.

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 22350997507 - 2⁷ = 22350997379 is a prime.

It is the 149503-rd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22350997597) by changing a digit.

It is a nontrivial repunit in base 149502.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76288 + ... + 224770.

It is an arithmetic number, because the mean of its divisors is an integer number (2821567210).

Almost surely, 2^22350997507 is an apocalyptic number.

22350997507 is a deficient number, since it is larger than the sum of its proper divisors (221540173).

22350997507 is a wasteful number, since it uses less digits than its factorization.

22350997507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149973.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The spelling of 22350997507 in words is "twenty-two billion, three hundred fifty million, nine hundred ninety-seven thousand, five hundred seven".