22250318991 has 16 divisors (see below), whose sum is σ = 30818534400. Its totient is φ = 14262106208.

The previous prime is 22250318977. The next prime is 22250319029. The reversal of 22250318991 is 19981305222.

It is a cyclic number.

It is not a de Polignac number, because 22250318991 - 2²⁷ = 22116101263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22250318921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514251 + ... + 555836.

It is an arithmetic number, because the mean of its divisors is an integer number (1926158400).

Almost surely, 2^22250318991 is an apocalyptic number.

22250318991 is a deficient number, since it is larger than the sum of its proper divisors (8568215409).

22250318991 is a wasteful number, since it uses less digits than its factorization.

22250318991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070358.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 22250318991 in words is "twenty-two billion, two hundred fifty million, three hundred eighteen thousand, nine hundred ninety-one".