22143332 has 12 divisors (see below), whose sum is σ = 38787840. Its totient is φ = 11061096.

The previous prime is 22143311. The next prime is 22143343. The reversal of 22143332 is 23334122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833 + ... + 7679.

It is an arithmetic number, because the mean of its divisors is an integer number (3232320).

Almost surely, 2^22143332 is an apocalyptic number.

It is an amenable number.

22143332 is a deficient number, since it is larger than the sum of its proper divisors (16644508).

22143332 is a wasteful number, since it uses less digits than its factorization.

22143332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290 (or 5288 counting only the distinct ones).

The product of its digits is 864, while the sum is 20.

The square root of 22143332 is about 4705.6701966882. The cubic root of 22143332 is about 280.8111343437.

Adding to 22143332 its reverse (23334122), we get a palindrome (45477454).

The spelling of 22143332 in words is "twenty-two million, one hundred forty-three thousand, three hundred thirty-two".