22466889 has 20 divisors (see below), whose sum is σ = 33996160. Its totient is φ = 14784120.

The previous prime is 22466887. The next prime is 22466921. The reversal of 22466889 is 98866422.

It is not a de Polignac number, because 22466889 - 2¹ = 22466887 is a prime.

It is a super-2 number, since 2×22466889² = 1009522202676642, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22466887) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4644 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (1699808).

Almost surely, 2^22466889 is an apocalyptic number.

It is an amenable number.

22466889 is a deficient number, since it is larger than the sum of its proper divisors (11529271).

22466889 is an equidigital number, since it uses as much as digits as its factorization.

22466889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602 (or 3593 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 22466889 is about 4739.9249994066. The cubic root of 22466889 is about 282.1722578162.

The spelling of 22466889 in words is "twenty-two million, four hundred sixty-six thousand, eight hundred eighty-nine".