22396861213 has 2 divisors, whose sum is σ = 22396861214. Its totient is φ = 22396861212.

The previous prime is 22396861177. The next prime is 22396861217. The reversal of 22396861213 is 31216869322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22393027449 + 3833764 = 149643^2 + 1958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22396861213 - 2¹⁷ = 22396730141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22396861213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22396861217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11198430606 + 11198430607.

It is an arithmetic number, because the mean of its divisors is an integer number (11198430607).

Almost surely, 2^22396861213 is an apocalyptic number.

It is an amenable number.

22396861213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22396861213 is an equidigital number, since it uses as much as digits as its factorization.

22396861213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The spelling of 22396861213 in words is "twenty-two billion, three hundred ninety-six million, eight hundred sixty-one thousand, two hundred thirteen".