22231124 has 6 divisors (see below), whose sum is σ = 38904474. Its totient is φ = 11115560.

The previous prime is 22231067. The next prime is 22231147. The reversal of 22231124 is 42113222.

It can be written as a sum of positive squares in only one way, i.e., 21715600 + 515524 = 4660^2 + 718^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2778887 + ... + 2778894.

It is an arithmetic number, because the mean of its divisors is an integer number (6484079).

Almost surely, 2^22231124 is an apocalyptic number.

It is an amenable number.

22231124 is a deficient number, since it is larger than the sum of its proper divisors (16673350).

22231124 is a wasteful number, since it uses less digits than its factorization.

22231124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557785 (or 5557783 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 22231124 is about 4714.9892894894. The cubic root of 22231124 is about 281.1817570065.

Adding to 22231124 its reverse (42113222), we get a palindrome (64344346).

The spelling of 22231124 in words is "twenty-two million, two hundred thirty-one thousand, one hundred twenty-four".