22400341131881 has 2 divisors, whose sum is σ = 22400341131882. Its totient is φ = 22400341131880.

The previous prime is 22400341131869. The next prime is 22400341132031. The reversal of 22400341131881 is 18813114300422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21234502664281 + 1165838467600 = 4608091^2 + 1079740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22400341131881 is a prime.

It is a super-2 number, since 2×22400341131881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22400341131821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200170565940 + 11200170565941.

It is an arithmetic number, because the mean of its divisors is an integer number (11200170565941).

Almost surely, 2^{22400341131881} is an apocalyptic number.

It is an amenable number.

22400341131881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22400341131881 is an equidigital number, since it uses as much as digits as its factorization.

22400341131881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 22400341131881 in words is "twenty-two trillion, four hundred billion, three hundred forty-one million, one hundred thirty-one thousand, eight hundred eighty-one".