22334220281 has 2 divisors, whose sum is σ = 22334220282. Its totient is φ = 22334220280.

The previous prime is 22334220277. The next prime is 22334220329. The reversal of 22334220281 is 18202243322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17726525881 + 4607694400 = 133141^2 + 67880^2 .

It is a cyclic number.

It is not a de Polignac number, because 22334220281 - 2² = 22334220277 is a prime.

It is a super-2 number, since 2×22334220281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22334220241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11167110140 + 11167110141.

It is an arithmetic number, because the mean of its divisors is an integer number (11167110141).

Almost surely, 2^22334220281 is an apocalyptic number.

It is an amenable number.

22334220281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22334220281 is an equidigital number, since it uses as much as digits as its factorization.

22334220281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 22334220281 in words is "twenty-two billion, three hundred thirty-four million, two hundred twenty thousand, two hundred eighty-one".