22541145269 has 2 divisors, whose sum is σ = 22541145270. Its totient is φ = 22541145268.

The previous prime is 22541145199. The next prime is 22541145293. The reversal of 22541145269 is 96254114522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22515002500 + 26142769 = 150050^2 + 5113^2 .

It is a cyclic number.

It is not a de Polignac number, because 22541145269 - 2⁸ = 22541145013 is a prime.

It is a super-2 number, since 2×22541145269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22541145169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270572634 + 11270572635.

It is an arithmetic number, because the mean of its divisors is an integer number (11270572635).

Almost surely, 2^22541145269 is an apocalyptic number.

It is an amenable number.

22541145269 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541145269 is an equidigital number, since it uses as much as digits as its factorization.

22541145269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The spelling of 22541145269 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-five thousand, two hundred sixty-nine".