22411301261 has 2 divisors, whose sum is σ = 22411301262. Its totient is φ = 22411301260.

The previous prime is 22411301233. The next prime is 22411301291. The reversal of 22411301261 is 16210311422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19430687236 + 2980614025 = 139394^2 + 54595^2 .

It is a cyclic number.

It is not a de Polignac number, because 22411301261 - 2²² = 22407106957 is a prime.

It is a super-2 number, since 2×22411301261² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22411301201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11205650630 + 11205650631.

It is an arithmetic number, because the mean of its divisors is an integer number (11205650631).

Almost surely, 2^22411301261 is an apocalyptic number.

It is an amenable number.

22411301261 is a deficient number, since it is larger than the sum of its proper divisors (1).

22411301261 is an equidigital number, since it uses as much as digits as its factorization.

22411301261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 22411301261 its reverse (16210311422), we get a palindrome (38621612683).

The spelling of 22411301261 in words is "twenty-two billion, four hundred eleven million, three hundred one thousand, two hundred sixty-one".