22262189 has 4 divisors (see below), whose sum is σ = 22281756. Its totient is φ = 22242624.

The previous prime is 22262147. The next prime is 22262203. The reversal of 22262189 is 98126222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 714025 + 21548164 = 845^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 22262189 - 2⁸ = 22261933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22262389) 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, 7964 + ... + 10389.

It is an arithmetic number, because the mean of its divisors is an integer number (5570439).

Almost surely, 2^22262189 is an apocalyptic number.

It is an amenable number.

22262189 is a deficient number, since it is larger than the sum of its proper divisors (19567).

22262189 is a wasteful number, since it uses less digits than its factorization.

22262189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19566.

The product of its digits is 6912, while the sum is 32.

The square root of 22262189 is about 4718.2824205425. The cubic root of 22262189 is about 281.3126672537.

The spelling of 22262189 in words is "twenty-two million, two hundred sixty-two thousand, one hundred eighty-nine".