22024241640161 has 2 divisors, whose sum is σ = 22024241640162. Its totient is φ = 22024241640160.

The previous prime is 22024241640133. The next prime is 22024241640209. The reversal of 22024241640161 is 16104614242022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22003895470561 + 20346169600 = 4690831^2 + 142640^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024241640161 - 2³⁸ = 21749363733217 is a prime.

It is not a weakly prime, because it can be changed into another prime (22024241646161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012120820080 + 11012120820081.

It is an arithmetic number, because the mean of its divisors is an integer number (11012120820081).

Almost surely, 2^{22024241640161} is an apocalyptic number.

It is an amenable number.

22024241640161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22024241640161 is an equidigital number, since it uses as much as digits as its factorization.

22024241640161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 22024241640161 its reverse (16104614242022), we get a palindrome (38128855882183).

The spelling of 22024241640161 in words is "twenty-two trillion, twenty-four billion, two hundred forty-one million, six hundred forty thousand, one hundred sixty-one".