22242452 has 6 divisors (see below), whose sum is σ = 38924298. Its totient is φ = 11121224.

The previous prime is 22242433. The next prime is 22242461. The reversal of 22242452 is 25424222.

It can be written as a sum of positive squares in only one way, i.e., 21492496 + 749956 = 4636^2 + 866^2 .

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, 2780303 + ... + 2780310.

It is an arithmetic number, because the mean of its divisors is an integer number (6487383).

Almost surely, 2^22242452 is an apocalyptic number.

It is an amenable number.

22242452 is a deficient number, since it is larger than the sum of its proper divisors (16681846).

22242452 is a wasteful number, since it uses less digits than its factorization.

22242452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560617 (or 5560615 counting only the distinct ones).

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

The square root of 22242452 is about 4716.1904117624. The cubic root of 22242452 is about 281.2295081696.

Adding to 22242452 its reverse (25424222), we get a palindrome (47666674).

The spelling of 22242452 in words is "twenty-two million, two hundred forty-two thousand, four hundred fifty-two".