22134620281 has 2 divisors, whose sum is σ = 22134620282. Its totient is φ = 22134620280.

The previous prime is 22134620237. The next prime is 22134620303. The reversal of 22134620281 is 18202643122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21421249600 + 713370681 = 146360^2 + 26709^2 .

It is a cyclic number.

It is not a de Polignac number, because 22134620281 - 2¹⁵ = 22134587513 is a prime.

It is a super-2 number, since 2×22134620281² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22134621281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067310140 + 11067310141.

It is an arithmetic number, because the mean of its divisors is an integer number (11067310141).

Almost surely, 2^22134620281 is an apocalyptic number.

It is an amenable number.

22134620281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22134620281 is an equidigital number, since it uses as much as digits as its factorization.

22134620281 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 31.

The spelling of 22134620281 in words is "twenty-two billion, one hundred thirty-four million, six hundred twenty thousand, two hundred eighty-one".