22331561351 has 4 divisors (see below), whose sum is σ = 24361703304. Its totient is φ = 20301419400.

The previous prime is 22331561323. The next prime is 22331561353. The reversal of 22331561351 is 15316513322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22331561351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22331561353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015070960 + ... + 1015070981.

It is an arithmetic number, because the mean of its divisors is an integer number (6090425826).

Almost surely, 2^22331561351 is an apocalyptic number.

22331561351 is a deficient number, since it is larger than the sum of its proper divisors (2030141953).

22331561351 is a wasteful number, since it uses less digits than its factorization.

22331561351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030141952.

The product of its digits is 16200, while the sum is 32.

The spelling of 22331561351 in words is "twenty-two billion, three hundred thirty-one million, five hundred sixty-one thousand, three hundred fifty-one".