22059889 has 4 divisors (see below), whose sum is σ = 22090480. Its totient is φ = 22029300.

The previous prime is 22059887. The next prime is 22059901. The reversal of 22059889 is 98895022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22059889 - 2¹ = 22059887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22059887) 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, 14187 + ... + 15664.

It is an arithmetic number, because the mean of its divisors is an integer number (5522620).

Almost surely, 2^22059889 is an apocalyptic number.

It is an amenable number.

22059889 is a deficient number, since it is larger than the sum of its proper divisors (30591).

22059889 is an equidigital number, since it uses as much as digits as its factorization.

22059889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30590.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 22059889 is about 4696.7956097748. The cubic root of 22059889 is about 280.4579622925.

The spelling of 22059889 in words is "twenty-two million, fifty-nine thousand, eight hundred eighty-nine".