22072124197 has 2 divisors, whose sum is σ = 22072124198. Its totient is φ = 22072124196.

The previous prime is 22072124167. The next prime is 22072124273. The reversal of 22072124197 is 79142127022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18954130276 + 3117993921 = 137674^2 + 55839^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22072124197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22072124147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11036062098 + 11036062099.

It is an arithmetic number, because the mean of its divisors is an integer number (11036062099).

Almost surely, 2^22072124197 is an apocalyptic number.

It is an amenable number.

22072124197 is a deficient number, since it is larger than the sum of its proper divisors (1).

22072124197 is an equidigital number, since it uses as much as digits as its factorization.

22072124197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The spelling of 22072124197 in words is "twenty-two billion, seventy-two million, one hundred twenty-four thousand, one hundred ninety-seven".