22189004 has 6 divisors (see below), whose sum is σ = 38830764. Its totient is φ = 11094500.

The previous prime is 22189001. The next prime is 22189009. The reversal of 22189004 is 40098122.

It is not an unprimeable number, because it can be changed into a prime (22189001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2773622 + ... + 2773629.

It is an arithmetic number, because the mean of its divisors is an integer number (6471794).

Almost surely, 2^22189004 is an apocalyptic number.

It is an amenable number.

22189004 is a deficient number, since it is larger than the sum of its proper divisors (16641760).

22189004 is a wasteful number, since it uses less digits than its factorization.

22189004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547255 (or 5547253 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22189004 is about 4710.5205657125. The cubic root of 22189004 is about 281.0040652392.

The spelling of 22189004 in words is "twenty-two million, one hundred eighty-nine thousand, four".