22541144413 has 2 divisors, whose sum is σ = 22541144414. Its totient is φ = 22541144412.

The previous prime is 22541144401. The next prime is 22541144419. The reversal of 22541144413 is 31444114522.

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., 11764005444 + 10777138969 = 108462^2 + 103813^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22541144413 is a prime.

It is a super-2 number, since 2×22541144413² (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 (22541144419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11270572206 + 11270572207.

It is an arithmetic number, because the mean of its divisors is an integer number (11270572207).

Almost surely, 2^22541144413 is an apocalyptic number.

It is an amenable number.

22541144413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541144413 is an equidigital number, since it uses as much as digits as its factorization.

22541144413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 31.

Adding to 22541144413 its reverse (31444114522), we get a palindrome (53985258935).

The spelling of 22541144413 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, four hundred thirteen".