22189549 has 8 divisors (see below), whose sum is σ = 24373440. Its totient is φ = 20107296.

The previous prime is 22189547. The next prime is 22189571. The reversal of 22189549 is 94598122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22189549 - 2¹ = 22189547 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 (22189547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24952 + ... + 25825.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2^22189549 is an apocalyptic number.

It is an amenable number.

22189549 is a deficient number, since it is larger than the sum of its proper divisors (2183891).

22189549 is a wasteful number, since it uses less digits than its factorization.

22189549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50819.

The product of its digits is 51840, while the sum is 40.

The square root of 22189549 is about 4710.5784145899. The cubic root of 22189549 is about 281.0063658677.

The spelling of 22189549 in words is "twenty-two million, one hundred eighty-nine thousand, five hundred forty-nine".