22022243 has 4 divisors (see below), whose sum is σ = 22118640. Its totient is φ = 21925848.

The previous prime is 22022237. The next prime is 22022257. The reversal of 22022243 is 34222022.

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

It is a cyclic number.

It is not a de Polignac number, because 22022243 - 2⁴ = 22022227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22022213) 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, 47855 + ... + 48312.

It is an arithmetic number, because the mean of its divisors is an integer number (5529660).

Almost surely, 2^22022243 is an apocalyptic number.

22022243 is a deficient number, since it is larger than the sum of its proper divisors (96397).

22022243 is an equidigital number, since it uses as much as digits as its factorization.

22022243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96396.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22022243 is about 4692.7862725677. The cubic root of 22022243 is about 280.2983342290.

Adding to 22022243 its reverse (34222022), we get a palindrome (56244265).

The spelling of 22022243 in words is "twenty-two million, twenty-two thousand, two hundred forty-three".