22189061 has 2 divisors, whose sum is σ = 22189062. Its totient is φ = 22189060.

The previous prime is 22189009. The next prime is 22189067. The reversal of 22189061 is 16098122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12460900 + 9728161 = 3530^2 + 3119^2 .

It is a cyclic number.

It is not a de Polignac number, because 22189061 - 2¹⁸ = 21926917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22189067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11094530 + 11094531.

It is an arithmetic number, because the mean of its divisors is an integer number (11094531).

Almost surely, 2^22189061 is an apocalyptic number.

It is an amenable number.

22189061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22189061 is an equidigital number, since it uses as much as digits as its factorization.

22189061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 22189061 is about 4710.5266159953. The cubic root of 22189061 is about 281.0043058572.

The spelling of 22189061 in words is "twenty-two million, one hundred eighty-nine thousand, sixty-one".