22411154981 has 2 divisors, whose sum is σ = 22411154982. Its totient is φ = 22411154980.

The previous prime is 22411154951. The next prime is 22411154999. The reversal of 22411154981 is 18945111422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16285588225 + 6125566756 = 127615^2 + 78266^2 .

It is a cyclic number.

It is not a de Polignac number, because 22411154981 - 2⁶ = 22411154917 is a prime.

It is a super-2 number, since 2×22411154981² (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 (22411154921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11205577490 + 11205577491.

It is an arithmetic number, because the mean of its divisors is an integer number (11205577491).

Almost surely, 2^22411154981 is an apocalyptic number.

It is an amenable number.

22411154981 is a deficient number, since it is larger than the sum of its proper divisors (1).

22411154981 is an equidigital number, since it uses as much as digits as its factorization.

22411154981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 38.

The spelling of 22411154981 in words is "twenty-two billion, four hundred eleven million, one hundred fifty-four thousand, nine hundred eighty-one".