22490850791 has 32 divisors (see below), whose sum is σ = 26189438400. Its totient is φ = 19169740800.

The previous prime is 22490850787. The next prime is 22490850797. The reversal of 22490850791 is 19705809422.

It is a cyclic number.

It is not a de Polignac number, because 22490850791 - 2² = 22490850787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490850797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934181 + ... + 957953.

It is an arithmetic number, because the mean of its divisors is an integer number (818419950).

Almost surely, 2^22490850791 is an apocalyptic number.

22490850791 is a deficient number, since it is larger than the sum of its proper divisors (3698587609).

22490850791 is a wasteful number, since it uses less digits than its factorization.

22490850791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23939.

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 22490850791 in words is "twenty-two billion, four hundred ninety million, eight hundred fifty thousand, seven hundred ninety-one".