22410281 has 2 divisors, whose sum is σ = 22410282. Its totient is φ = 22410280.

The previous prime is 22410277. The next prime is 22410287. The reversal of 22410281 is 18201422.

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., 12138256 + 10272025 = 3484^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 22410281 - 2² = 22410277 is a prime.

It is a super-2 number, since 2×22410281² = 1004441388997922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22410287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11205140 + 11205141.

It is an arithmetic number, because the mean of its divisors is an integer number (11205141).

Almost surely, 2^22410281 is an apocalyptic number.

It is an amenable number.

22410281 is a deficient number, since it is larger than the sum of its proper divisors (1).

22410281 is an equidigital number, since it uses as much as digits as its factorization.

22410281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22410281 is about 4733.9498307439. The cubic root of 22410281 is about 281.9350696376.

The spelling of 22410281 in words is "twenty-two million, four hundred ten thousand, two hundred eighty-one".