22346861 has 2 divisors, whose sum is σ = 22346862. Its totient is φ = 22346860.

The previous prime is 22346839. The next prime is 22346873. The reversal of 22346861 is 16864322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 10201636 = 3485^2 + 3194^2 .

It is a cyclic number.

It is not a de Polignac number, because 22346861 - 2²² = 18152557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22346881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11173430 + 11173431.

It is an arithmetic number, because the mean of its divisors is an integer number (11173431).

Almost surely, 2^22346861 is an apocalyptic number.

It is an amenable number.

22346861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22346861 is an equidigital number, since it uses as much as digits as its factorization.

22346861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 22346861 is about 4727.2466616414. The cubic root of 22346861 is about 281.6688642072.

The spelling of 22346861 in words is "twenty-two million, three hundred forty-six thousand, eight hundred sixty-one".