22298149323881 has 2 divisors, whose sum is σ = 22298149323882. Its totient is φ = 22298149323880.

The previous prime is 22298149323841. The next prime is 22298149323917. The reversal of 22298149323881 is 18832394189222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16629064515625 + 5669084808256 = 4077875^2 + 2380984^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22298149323881 is a prime.

It is a super-2 number, since 2×22298149323881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22298149323811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11149074661940 + 11149074661941.

It is an arithmetic number, because the mean of its divisors is an integer number (11149074661941).

Almost surely, 2^{22298149323881} is an apocalyptic number.

It is an amenable number.

22298149323881 is a deficient number, since it is larger than the sum of its proper divisors (1).

22298149323881 is an equidigital number, since it uses as much as digits as its factorization.

22298149323881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 62.

The spelling of 22298149323881 in words is "twenty-two trillion, two hundred ninety-eight billion, one hundred forty-nine million, three hundred twenty-three thousand, eight hundred eighty-one".