22022223 has 16 divisors (see below), whose sum is σ = 30520800. Its totient is φ = 14107520.

The previous prime is 22022219. The next prime is 22022227. The reversal of 22022223 is 32222022.

It is an interprime number because it is at equal distance from previous prime (22022219) and next prime (22022227).

It is a cyclic number.

It is not a de Polignac number, because 22022223 - 2² = 22022219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22933 + ... + 23873.

It is an arithmetic number, because the mean of its divisors is an integer number (1907550).

Almost surely, 2^22022223 is an apocalyptic number.

22022223 is a deficient number, since it is larger than the sum of its proper divisors (8498577).

22022223 is a wasteful number, since it uses less digits than its factorization.

22022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22022223 is about 4692.7841416370. The cubic root of 22022223 is about 280.2982493759.

Adding to 22022223 its reverse (32222022), we get a palindrome (54244245).

The spelling of 22022223 in words is "twenty-two million, twenty-two thousand, two hundred twenty-three".