22202734391 has 2 divisors, whose sum is σ = 22202734392. Its totient is φ = 22202734390.

The previous prime is 22202734289. The next prime is 22202734429. The reversal of 22202734391 is 19343720222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22202734391 - 2¹⁸ = 22202472247 is a prime.

It is a super-2 number, since 2×22202734391² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202734891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101367195 + 11101367196.

It is an arithmetic number, because the mean of its divisors is an integer number (11101367196).

Almost surely, 2^22202734391 is an apocalyptic number.

22202734391 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202734391 is an equidigital number, since it uses as much as digits as its factorization.

22202734391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 22202734391 in words is "twenty-two billion, two hundred two million, seven hundred thirty-four thousand, three hundred ninety-one".