22058161 has 2 divisors, whose sum is σ = 22058162. Its totient is φ = 22058160.

The previous prime is 22058159. The next prime is 22058167. The reversal of 22058161 is 16185022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21762225 + 295936 = 4665^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 22058161 - 2¹ = 22058159 is a prime.

Together with 22058159, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22058167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11029080 + 11029081.

It is an arithmetic number, because the mean of its divisors is an integer number (11029081).

Almost surely, 2^22058161 is an apocalyptic number.

It is an amenable number.

22058161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22058161 is an equidigital number, since it uses as much as digits as its factorization.

22058161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 22058161 is about 4696.6116509671. The cubic root of 22058161 is about 280.4506391367.

The spelling of 22058161 in words is "twenty-two million, fifty-eight thousand, one hundred sixty-one".