22320189 has 12 divisors (see below), whose sum is σ = 33642336. Its totient is φ = 14233032.

The previous prime is 22320187. The next prime is 22320191. The reversal of 22320189 is 98102322.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22320187) and next prime (22320191).

It is not a de Polignac number, because 22320189 - 2¹ = 22320187 is a prime.

It is a super-3 number, since 3×22320189³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22320187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53707 + ... + 54120.

It is an arithmetic number, because the mean of its divisors is an integer number (2803528).

Almost surely, 2^22320189 is an apocalyptic number.

It is an amenable number.

22320189 is a deficient number, since it is larger than the sum of its proper divisors (11322147).

22320189 is a wasteful number, since it uses less digits than its factorization.

22320189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107856 (or 107853 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 22320189 is about 4724.4247268847. The cubic root of 22320189 is about 281.5567580396.

The spelling of 22320189 in words is "twenty-two million, three hundred twenty thousand, one hundred eighty-nine".