1224022223 has 4 divisors (see below), whose sum is σ = 1227529800. Its totient is φ = 1220514648.

The previous prime is 1224022213. The next prime is 1224022243. The reversal of 1224022223 is 3222204221.

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 1224022223 - 2⁴ = 1224022207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224022195 and 1224022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224022213) 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, 1753265 + ... + 1753962.

It is an arithmetic number, because the mean of its divisors is an integer number (306882450).

Almost surely, 2^1224022223 is an apocalyptic number.

1224022223 is a deficient number, since it is larger than the sum of its proper divisors (3507577).

1224022223 is an equidigital number, since it uses as much as digits as its factorization.

1224022223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3507576.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1224022223 is about 34986.0289687184. The cubic root of 1224022223 is about 1069.7027220267.

Adding to 1224022223 its reverse (3222204221), we get a palindrome (4446226444).

The spelling of 1224022223 in words is "one billion, two hundred twenty-four million, twenty-two thousand, two hundred twenty-three".