22266089 has 4 divisors (see below), whose sum is σ = 22275540. Its totient is φ = 22256640.

The previous prime is 22266067. The next prime is 22266103. The reversal of 22266089 is 98066222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98066222 = 2 ⋅49033111.

It can be written as a sum of positive squares in 2 ways, for example, as 10942864 + 11323225 = 3308^2 + 3365^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22266089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22266019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997 + ... + 6965.

It is an arithmetic number, because the mean of its divisors is an integer number (5568885).

Almost surely, 2^22266089 is an apocalyptic number.

It is an amenable number.

22266089 is a deficient number, since it is larger than the sum of its proper divisors (9451).

22266089 is an equidigital number, since it uses as much as digits as its factorization.

22266089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9450.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22266089 is about 4718.6956884292. The cubic root of 22266089 is about 281.3290935411.

The spelling of 22266089 in words is "twenty-two million, two hundred sixty-six thousand, eighty-nine".