22890005 has 8 divisors (see below), whose sum is σ = 27529632. Its totient is φ = 18270928.

The previous prime is 22889969. The next prime is 22890029. The reversal of 22890005 is 50009822.

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 22890005 - 2¹⁴ = 22873621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 7236.

It is an arithmetic number, because the mean of its divisors is an integer number (3441204).

Almost surely, 2^22890005 is an apocalyptic number.

It is an amenable number.

22890005 is a deficient number, since it is larger than the sum of its proper divisors (4639627).

22890005 is an equidigital number, since it uses as much as digits as its factorization.

22890005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10275.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 22890005 is about 4784.3500080993. The cubic root of 22890005 is about 283.9326238702.

Adding to 22890005 its reverse (50009822), we get a palindrome (72899827).

The spelling of 22890005 in words is "twenty-two million, eight hundred ninety thousand, five".