22024604604521 has 2 divisors, whose sum is σ = 22024604604522. Its totient is φ = 22024604604520.

The previous prime is 22024604604449. The next prime is 22024604604547. The reversal of 22024604604521 is 12540640642022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16634610888025 + 5389993716496 = 4078555^2 + 2321636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22024604604521 is a prime.

It is not a weakly prime, because it can be changed into another prime (22024604604421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012302302260 + 11012302302261.

It is an arithmetic number, because the mean of its divisors is an integer number (11012302302261).

Almost surely, 2^{22024604604521} is an apocalyptic number.

It is an amenable number.

22024604604521 is a deficient number, since it is larger than the sum of its proper divisors (1).

22024604604521 is an equidigital number, since it uses as much as digits as its factorization.

22024604604521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 22024604604521 in words is "twenty-two trillion, twenty-four billion, six hundred four million, six hundred four thousand, five hundred twenty-one".