22222324 has 24 divisors (see below), whose sum is σ = 42719040. Its totient is φ = 10067904.

The previous prime is 22222273. The next prime is 22222327. The reversal of 22222324 is 42322222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4609 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (1779960).

Almost surely, 2^22222324 is an apocalyptic number.

It is an amenable number.

22222324 is a deficient number, since it is larger than the sum of its proper divisors (20496716).

22222324 is a wasteful number, since it uses less digits than its factorization.

22222324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12759 (or 12757 counting only the distinct ones).

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

The square root of 22222324 is about 4714.0560030615. The cubic root of 22222324 is about 281.1446509801.

Adding to 22222324 its reverse (42322222), we get a palindrome (64544546).

The spelling of 22222324 in words is "twenty-two million, two hundred twenty-two thousand, three hundred twenty-four".