22889465 has 8 divisors (see below), whose sum is σ = 27776520. Its totient is φ = 18105472.

The previous prime is 22889437. The next prime is 22889467. The reversal of 22889465 is 56498822.

It can be written as a sum of positive squares in 4 ways, for example, as 4596736 + 18292729 = 2144^2 + 4277^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22889465 - 2⁶ = 22889401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22889467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25274 + ... + 26163.

It is an arithmetic number, because the mean of its divisors is an integer number (3472065).

Almost surely, 2^22889465 is an apocalyptic number.

It is an amenable number.

22889465 is a deficient number, since it is larger than the sum of its proper divisors (4887055).

22889465 is an equidigital number, since it uses as much as digits as its factorization.

22889465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51531.

The product of its digits is 276480, while the sum is 44.

The square root of 22889465 is about 4784.2935737682. The cubic root of 22889465 is about 283.9303910933.

The spelling of 22889465 in words is "twenty-two million, eight hundred eighty-nine thousand, four hundred sixty-five".