22195927837 has 2 divisors, whose sum is σ = 22195927838. Its totient is φ = 22195927836.

The previous prime is 22195927777. The next prime is 22195927861. The reversal of 22195927837 is 73872959122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21931832836 + 264095001 = 148094^2 + 16251^2 .

It is a cyclic number.

It is not a de Polignac number, because 22195927837 - 2²³ = 22187539229 is a prime.

It is a super-2 number, since 2×22195927837² (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 (22195927877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11097963918 + 11097963919.

It is an arithmetic number, because the mean of its divisors is an integer number (11097963919).

Almost surely, 2^22195927837 is an apocalyptic number.

It is an amenable number.

22195927837 is a deficient number, since it is larger than the sum of its proper divisors (1).

22195927837 is an equidigital number, since it uses as much as digits as its factorization.

22195927837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The spelling of 22195927837 in words is "twenty-two billion, one hundred ninety-five million, nine hundred twenty-seven thousand, eight hundred thirty-seven".