22252546 has 8 divisors (see below), whose sum is σ = 34830144. Its totient is φ = 10642500.

The previous prime is 22252537. The next prime is 22252547. The reversal of 22252546 is 64525222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22252547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 241830 + ... + 241921.

It is an arithmetic number, because the mean of its divisors is an integer number (4353768).

Almost surely, 2^22252546 is an apocalyptic number.

22252546 is a deficient number, since it is larger than the sum of its proper divisors (12577598).

22252546 is a wasteful number, since it uses less digits than its factorization.

22252546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483776.

The product of its digits is 9600, while the sum is 28.

The square root of 22252546 is about 4717.2604337687. The cubic root of 22252546 is about 281.2720439677.

Adding to 22252546 its reverse (64525222), we get a palindrome (86777768).

The spelling of 22252546 in words is "twenty-two million, two hundred fifty-two thousand, five hundred forty-six".