22400132197 has 2 divisors, whose sum is σ = 22400132198. Its totient is φ = 22400132196.

The previous prime is 22400132171. The next prime is 22400132207. The reversal of 22400132197 is 79123100422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15495519361 + 6904612836 = 124481^2 + 83094^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400132197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22400132597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200066098 + 11200066099.

It is an arithmetic number, because the mean of its divisors is an integer number (11200066099).

Almost surely, 2^22400132197 is an apocalyptic number.

It is an amenable number.

22400132197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400132197 is an equidigital number, since it uses as much as digits as its factorization.

22400132197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 22400132197 in words is "twenty-two billion, four hundred million, one hundred thirty-two thousand, one hundred ninety-seven".