22202140391 has 2 divisors, whose sum is σ = 22202140392. Its totient is φ = 22202140390.

The previous prime is 22202140333. The next prime is 22202140393. The reversal of 22202140391 is 19304120222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22202140391 - 2¹⁰ = 22202139367 is a prime.

Together with 22202140393, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22202140391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202140393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101070195 + 11101070196.

It is an arithmetic number, because the mean of its divisors is an integer number (11101070196).

Almost surely, 2^22202140391 is an apocalyptic number.

22202140391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202140391 is an equidigital number, since it uses as much as digits as its factorization.

22202140391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 22202140391 in words is "twenty-two billion, two hundred two million, one hundred forty thousand, three hundred ninety-one".