22825745021 has 2 divisors, whose sum is σ = 22825745022. Its totient is φ = 22825745020.

The previous prime is 22825744961. The next prime is 22825745081. The reversal of 22825745021 is 12054752822.

It is a balanced prime because it is at equal distance from previous prime (22825744961) and next prime (22825745081).

It can be written as a sum of positive squares in only one way, i.e., 22804020100 + 21724921 = 151010^2 + 4661^2 .

It is a cyclic number.

It is not a de Polignac number, because 22825745021 - 2⁶ = 22825744957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22825745081) 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, 11412872510 + 11412872511.

It is an arithmetic number, because the mean of its divisors is an integer number (11412872511).

Almost surely, 2^22825745021 is an apocalyptic number.

It is an amenable number.

22825745021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22825745021 is an equidigital number, since it uses as much as digits as its factorization.

22825745021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 38.

The spelling of 22825745021 in words is "twenty-two billion, eight hundred twenty-five million, seven hundred forty-five thousand, twenty-one".