22239807191 has 16 divisors (see below), whose sum is σ = 25785750528. Its totient is φ = 18786297600.

The previous prime is 22239807181. The next prime is 22239807253. The reversal of 22239807191 is 19170893222.

It is not a de Polignac number, because 22239807191 - 2²² = 22235612887 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 (22239807181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1379111 + ... + 1395143.

It is an arithmetic number, because the mean of its divisors is an integer number (1611609408).

Almost surely, 2^22239807191 is an apocalyptic number.

22239807191 is a deficient number, since it is larger than the sum of its proper divisors (3545943337).

22239807191 is a wasteful number, since it uses less digits than its factorization.

22239807191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18902.

The product of its (nonzero) digits is 108864, while the sum is 44.

The spelling of 22239807191 in words is "twenty-two billion, two hundred thirty-nine million, eight hundred seven thousand, one hundred ninety-one".