22980902891 has 4 divisors (see below), whose sum is σ = 23010787800. Its totient is φ = 22951017984.

The previous prime is 22980902881. The next prime is 22980902927. The reversal of 22980902891 is 19820908922.

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-22980902891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22980902831) 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, 14941301 + ... + 14942838.

It is an arithmetic number, because the mean of its divisors is an integer number (5752696950).

Almost surely, 2^22980902891 is an apocalyptic number.

22980902891 is a deficient number, since it is larger than the sum of its proper divisors (29884909).

22980902891 is an equidigital number, since it uses as much as digits as its factorization.

22980902891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29884908.

The product of its (nonzero) digits is 373248, while the sum is 50.

The spelling of 22980902891 in words is "twenty-two billion, nine hundred eighty million, nine hundred two thousand, eight hundred ninety-one".