22143032 has 16 divisors (see below), whose sum is σ = 41582760. Its totient is φ = 11054304.

The previous prime is 22143019. The next prime is 22143041. The reversal of 22143032 is 23034122.

It is a self number, because there is not a number n which added to its sum of digits gives 22143032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538 + ... + 8054.

Almost surely, 2^22143032 is an apocalyptic number.

It is an amenable number.

22143032 is a deficient number, since it is larger than the sum of its proper divisors (19439728).

22143032 is a wasteful number, since it uses less digits than its factorization.

22143032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4306 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 22143032 is about 4705.6383201432. The cubic root of 22143032 is about 280.8098661858.

Adding to 22143032 its reverse (23034122), we get a palindrome (45177154).

The spelling of 22143032 in words is "twenty-two million, one hundred forty-three thousand, thirty-two".