22002201191 has 4 divisors (see below), whose sum is σ = 23160211800. Its totient is φ = 20844190584.

The previous prime is 22002201181. The next prime is 22002201223. The reversal of 22002201191 is 19110220022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22002201191 - 2²⁶ = 21935092327 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 (22002201161) 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, 579005276 + ... + 579005313.

It is an arithmetic number, because the mean of its divisors is an integer number (5790052950).

Almost surely, 2^22002201191 is an apocalyptic number.

22002201191 is a deficient number, since it is larger than the sum of its proper divisors (1158010609).

22002201191 is a wasteful number, since it uses less digits than its factorization.

22002201191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158010608.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 22002201191 in words is "twenty-two billion, two million, two hundred one thousand, one hundred ninety-one".