22195042901 has 2 divisors, whose sum is σ = 22195042902. Its totient is φ = 22195042900.

The previous prime is 22195042871. The next prime is 22195042949. The reversal of 22195042901 is 10924059122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18991596100 + 3203446801 = 137810^2 + 56599^2 .

It is a cyclic number.

It is not a de Polignac number, because 22195042901 - 2¹⁴ = 22195026517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22195002901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11097521450 + 11097521451.

It is an arithmetic number, because the mean of its divisors is an integer number (11097521451).

Almost surely, 2^22195042901 is an apocalyptic number.

It is an amenable number.

22195042901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22195042901 is an equidigital number, since it uses as much as digits as its factorization.

22195042901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 22195042901 in words is "twenty-two billion, one hundred ninety-five million, forty-two thousand, nine hundred one".