22063222 has 4 divisors (see below), whose sum is σ = 33094836. Its totient is φ = 11031610.

The previous prime is 22063201. The next prime is 22063231. The reversal of 22063222 is 22236022.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22063222.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 5515804 + ... + 5515807.

It is an arithmetic number, because the mean of its divisors is an integer number (8273709).

Almost surely, 2^22063222 is an apocalyptic number.

22063222 is a deficient number, since it is larger than the sum of its proper divisors (11031614).

22063222 is a wasteful number, since it uses less digits than its factorization.

22063222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031613.

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

The square root of 22063222 is about 4697.1504127503. The cubic root of 22063222 is about 280.4720862578.

Adding to 22063222 its reverse (22236022), we get a palindrome (44299244).

The spelling of 22063222 in words is "twenty-two million, sixty-three thousand, two hundred twenty-two".