22197802453 has 2 divisors, whose sum is σ = 22197802454. Its totient is φ = 22197802452.

The previous prime is 22197802441. The next prime is 22197802463. The reversal of 22197802453 is 35420879122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15275229649 + 6922572804 = 123593^2 + 83202^2 .

It is a cyclic number.

It is not a de Polignac number, because 22197802453 - 2⁵ = 22197802421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22197802463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11098901226 + 11098901227.

It is an arithmetic number, because the mean of its divisors is an integer number (11098901227).

Almost surely, 2^22197802453 is an apocalyptic number.

It is an amenable number.

22197802453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22197802453 is an equidigital number, since it uses as much as digits as its factorization.

22197802453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 22197802453 in words is "twenty-two billion, one hundred ninety-seven million, eight hundred two thousand, four hundred fifty-three".