24223222 has 16 divisors (see below), whose sum is σ = 37144944. Its totient is φ = 11844000.

The previous prime is 24223211. The next prime is 24223229. The reversal of 24223222 is 22232242.

It is a happy number.

It is a super-2 number, since 2×24223222² = 1173528968122568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24223222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24223229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25272 + ... + 26212.

It is an arithmetic number, because the mean of its divisors is an integer number (2321559).

Almost surely, 2^24223222 is an apocalyptic number.

24223222 is a deficient number, since it is larger than the sum of its proper divisors (12921722).

24223222 is a wasteful number, since it uses less digits than its factorization.

24223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215.

The product of its digits is 768, while the sum is 19.

The square root of 24223222 is about 4921.7092559394. The cubic root of 24223222 is about 289.3414386204.

Adding to 24223222 its reverse (22232242), we get a palindrome (46455464).

It can be divided in two parts, 2 and 4223222, that added together give a palindrome (4223224).

The spelling of 24223222 in words is "twenty-four million, two hundred twenty-three thousand, two hundred twenty-two".