22532245 has 8 divisors (see below), whose sum is σ = 27073080. Its totient is φ = 18002880.

The previous prime is 22532239. The next prime is 22532281. The reversal of 22532245 is 54223522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 338724 + 22193521 = 582^2 + 4711^2 .

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

It is not a de Polignac number, because 22532245 - 2⁷ = 22532117 is a prime.

It is a congruent number.

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, 2311 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (3384135).

Almost surely, 2^22532245 is an apocalyptic number.

It is an amenable number.

22532245 is a deficient number, since it is larger than the sum of its proper divisors (4540835).

22532245 is an equidigital number, since it uses as much as digits as its factorization.

22532245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5735.

The product of its digits is 4800, while the sum is 25.

The square root of 22532245 is about 4746.8141948048. The cubic root of 22532245 is about 282.4456052109.

Adding to 22532245 its reverse (54223522), we get a palindrome (76755767).

The spelling of 22532245 in words is "twenty-two million, five hundred thirty-two thousand, two hundred forty-five".