22022192991 has 8 divisors (see below), whose sum is σ = 30908341120. Its totient is φ = 13908753432.

The previous prime is 22022192981. The next prime is 22022193001. The reversal of 22022192991 is 19929122022.

It is an interprime number because it is at equal distance from previous prime (22022192981) and next prime (22022193001).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22022192991 - 2¹³ = 22022184799 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 (22022192971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193177075 + ... + 193177188.

It is an arithmetic number, because the mean of its divisors is an integer number (3863542640).

Almost surely, 2^22022192991 is an apocalyptic number.

22022192991 is a deficient number, since it is larger than the sum of its proper divisors (8886148129).

22022192991 is a wasteful number, since it uses less digits than its factorization.

22022192991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386354285.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 22022192991 in words is "twenty-two billion, twenty-two million, one hundred ninety-two thousand, nine hundred ninety-one".