22143802 has 8 divisors (see below), whose sum is σ = 34659936. Its totient is φ = 10590492.

The previous prime is 22143799. The next prime is 22143829. The reversal of 22143802 is 20834122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240648 + ... + 240739.

It is an arithmetic number, because the mean of its divisors is an integer number (4332492).

Almost surely, 2^22143802 is an apocalyptic number.

22143802 is a deficient number, since it is larger than the sum of its proper divisors (12516134).

22143802 is a wasteful number, since it uses less digits than its factorization.

22143802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481412.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 22143802 is about 4705.7201361747. The cubic root of 22143802 is about 280.8131211013.

Adding to 22143802 its reverse (20834122), we get a palindrome (42977924).

The spelling of 22143802 in words is "twenty-two million, one hundred forty-three thousand, eight hundred two".