22142332 has 12 divisors (see below), whose sum is σ = 38945200. Its totient is φ = 11015136.

The previous prime is 22142327. The next prime is 22142333. The reversal of 22142332 is 23324122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13113 + ... + 14704.

Almost surely, 2^22142332 is an apocalyptic number.

It is an amenable number.

22142332 is a deficient number, since it is larger than the sum of its proper divisors (16802868).

22142332 is a wasteful number, since it uses less digits than its factorization.

22142332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28020 (or 28018 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 22142332 is about 4705.5639406983. The cubic root of 22142332 is about 280.8069071063.

Adding to 22142332 its reverse (23324122), we get a palindrome (45466454).

The spelling of 22142332 in words is "twenty-two million, one hundred forty-two thousand, three hundred thirty-two".