22197802441 has 2 divisors, whose sum is σ = 22197802442. Its totient is φ = 22197802440.

The previous prime is 22197802421. The next prime is 22197802453. The reversal of 22197802441 is 14420879122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20678440000 + 1519362441 = 143800^2 + 38979^2 .

It is a cyclic number.

It is not a de Polignac number, because 22197802441 - 2¹¹ = 22197800393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22197802394 and 22197802403.

It is not a weakly prime, because it can be changed into another prime (22197802421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11098901220 + 11098901221.

It is an arithmetic number, because the mean of its divisors is an integer number (11098901221).

Almost surely, 2^22197802441 is an apocalyptic number.

It is an amenable number.

22197802441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22197802441 is an equidigital number, since it uses as much as digits as its factorization.

22197802441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 22197802441 in words is "twenty-two billion, one hundred ninety-seven million, eight hundred two thousand, four hundred forty-one".