22895149021 has 2 divisors, whose sum is σ = 22895149022. Its totient is φ = 22895149020.

The previous prime is 22895149019. The next prime is 22895149063. The reversal of 22895149021 is 12094159822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21282724996 + 1612424025 = 145886^2 + 40155^2 .

It is a cyclic number.

It is not a de Polignac number, because 22895149021 - 2¹ = 22895149019 is a prime.

Together with 22895149019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22895147021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11447574510 + 11447574511.

It is an arithmetic number, because the mean of its divisors is an integer number (11447574511).

Almost surely, 2^22895149021 is an apocalyptic number.

It is an amenable number.

22895149021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22895149021 is an equidigital number, since it uses as much as digits as its factorization.

22895149021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 22895149021 in words is "twenty-two billion, eight hundred ninety-five million, one hundred forty-nine thousand, twenty-one".