22166341 has 2 divisors, whose sum is σ = 22166342. Its totient is φ = 22166340.

The previous prime is 22166327. The next prime is 22166381. The reversal of 22166341 is 14366122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21818241 + 348100 = 4671^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22166341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22166311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11083170 + 11083171.

It is an arithmetic number, because the mean of its divisors is an integer number (11083171).

Almost surely, 2^22166341 is an apocalyptic number.

It is an amenable number.

22166341 is a deficient number, since it is larger than the sum of its proper divisors (1).

22166341 is an equidigital number, since it uses as much as digits as its factorization.

22166341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 22166341 is about 4708.1143783897. The cubic root of 22166341 is about 280.9083637151.

The spelling of 22166341 in words is "twenty-two million, one hundred sixty-six thousand, three hundred forty-one".