22143052 has 24 divisors (see below), whose sum is σ = 40205312. Its totient is φ = 10659600.

The previous prime is 22143049. The next prime is 22143053. The reversal of 22143052 is 25034122.

It is not an unprimeable number, because it can be changed into a prime (22143053) 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, 34777 + ... + 35407.

Almost surely, 2^22143052 is an apocalyptic number.

It is an amenable number.

22143052 is a deficient number, since it is larger than the sum of its proper divisors (18062260).

22143052 is a wasteful number, since it uses less digits than its factorization.

22143052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22143052 is about 4705.6404452529. The cubic root of 22143052 is about 280.8099507300.

Adding to 22143052 its reverse (25034122), we get a palindrome (47177174).

The spelling of 22143052 in words is "twenty-two million, one hundred forty-three thousand, fifty-two".