22524242 has 16 divisors (see below), whose sum is σ = 37641240. Its totient is φ = 10036992.

The previous prime is 22524239. The next prime is 22524263. The reversal of 22524242 is 24242522.

It can be written as a sum of positive squares in 4 ways, for example, as 20784481 + 1739761 = 4559^2 + 1319^2 .

It is an unprimeable number.

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, 14183 + ... + 15690.

Almost surely, 2^22524242 is an apocalyptic number.

22524242 is a deficient number, since it is larger than the sum of its proper divisors (15116998).

22524242 is a wasteful number, since it uses less digits than its factorization.

22524242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29917.

The product of its digits is 2560, while the sum is 23.

The square root of 22524242 is about 4745.9711334984. The cubic root of 22524242 is about 282.4121615860.

Adding to 22524242 its reverse (24242522), we get a palindrome (46766764).

The spelling of 22524242 in words is "twenty-two million, five hundred twenty-four thousand, two hundred forty-two".