22324144 has 20 divisors (see below), whose sum is σ = 43533424. Its totient is φ = 11089728.

The previous prime is 22324129. The next prime is 22324151. The reversal of 22324144 is 44142322.

It is a happy number.

It is a super-3 number, since 3×22324144³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1932 + ... + 6955.

Almost surely, 2^22324144 is an apocalyptic number.

It is an amenable number.

22324144 is a deficient number, since it is larger than the sum of its proper divisors (21209280).

22324144 is a wasteful number, since it uses less digits than its factorization.

22324144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9052 (or 9046 counting only the distinct ones).

The product of its digits is 1536, while the sum is 22.

The square root of 22324144 is about 4724.8432778241. The cubic root of 22324144 is about 281.5733870985.

Adding to 22324144 its reverse (44142322), we get a palindrome (66466466).

The spelling of 22324144 in words is "twenty-two million, three hundred twenty-four thousand, one hundred forty-four".