22504135345441 has 2 divisors, whose sum is σ = 22504135345442. Its totient is φ = 22504135345440.

The previous prime is 22504135345399. The next prime is 22504135345451. The reversal of 22504135345441 is 14454353140522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22429553920225 + 74581425216 = 4735985^2 + 273096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22504135345441 is a prime.

It is a super-2 number, since 2×22504135345441² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22504135345451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11252067672720 + 11252067672721.

It is an arithmetic number, because the mean of its divisors is an integer number (11252067672721).

Almost surely, 2^{22504135345441} is an apocalyptic number.

It is an amenable number.

22504135345441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22504135345441 is an equidigital number, since it uses as much as digits as its factorization.

22504135345441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 22504135345441 its reverse (14454353140522), we get a palindrome (36958488485963).

The spelling of 22504135345441 in words is "twenty-two trillion, five hundred four billion, one hundred thirty-five million, three hundred forty-five thousand, four hundred forty-one".