22084189 has 4 divisors (see below), whose sum is σ = 22114656. Its totient is φ = 22053724.

The previous prime is 22084187. The next prime is 22084201. The reversal of 22084189 is 98148022.

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 22084189 - 2¹ = 22084187 is a prime.

It is a super-2 number, since 2×22084189² = 975422807575442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22084187) 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, 14119 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (5528664).

Almost surely, 2^22084189 is an apocalyptic number.

It is an amenable number.

22084189 is a deficient number, since it is larger than the sum of its proper divisors (30467).

22084189 is an equidigital number, since it uses as much as digits as its factorization.

22084189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30466.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 22084189 is about 4699.3817678499. The cubic root of 22084189 is about 280.5609036932.

The spelling of 22084189 in words is "twenty-two million, eighty-four thousand, one hundred eighty-nine".