22552330 has 8 divisors (see below), whose sum is σ = 40594212. Its totient is φ = 9020928.

The previous prime is 22552307. The next prime is 22552381. The reversal of 22552330 is 3325522.

It can be written as a sum of positive squares in 2 ways, for example, as 22099401 + 452929 = 4701^2 + 673^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 1127607 + ... + 1127626.

Almost surely, 2^22552330 is an apocalyptic number.

22552330 is a deficient number, since it is larger than the sum of its proper divisors (18041882).

22552330 is a wasteful number, since it uses less digits than its factorization.

22552330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2255240.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 22552330 is about 4748.9293530226. The cubic root of 22552330 is about 282.5295032752.

Adding to 22552330 its reverse (3325522), we get a palindrome (25877852).

The spelling of 22552330 in words is "twenty-two million, five hundred fifty-two thousand, three hundred thirty".