22524661448021 has 2 divisors, whose sum is σ = 22524661448022. Its totient is φ = 22524661448020.

The previous prime is 22524661447963. The next prime is 22524661448033. The reversal of 22524661448021 is 12084416642522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21678103200625 + 846558247396 = 4655975^2 + 920086^2 .

It is a cyclic number.

It is not a de Polignac number, because 22524661448021 - 2¹⁰ = 22524661446997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22524661448221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11262330724010 + 11262330724011.

It is an arithmetic number, because the mean of its divisors is an integer number (11262330724011).

Almost surely, 2^{22524661448021} is an apocalyptic number.

It is an amenable number.

22524661448021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22524661448021 is an equidigital number, since it uses as much as digits as its factorization.

22524661448021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 22524661448021 in words is "twenty-two trillion, five hundred twenty-four billion, six hundred sixty-one million, four hundred forty-eight thousand, twenty-one".