22552201 has 12 divisors (see below), whose sum is σ = 26472852. Its totient is φ = 19154688.

The previous prime is 22552199. The next prime is 22552237. The reversal of 22552201 is 10225522.

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 21344400 = 1099^2 + 4620^2 .

It is not a de Polignac number, because 22552201 - 2¹ = 22552199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22552241) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3501 + ... + 7573.

It is an arithmetic number, because the mean of its divisors is an integer number (2206071).

Almost surely, 2^22552201 is an apocalyptic number.

It is an amenable number.

22552201 is a deficient number, since it is larger than the sum of its proper divisors (3920651).

22552201 is a wasteful number, since it uses less digits than its factorization.

22552201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200 (or 4193 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 22552201 is about 4748.9157709945. The cubic root of 22552201 is about 282.5289645818.

Adding to 22552201 its reverse (10225522), we get a palindrome (32777723).

The spelling of 22552201 in words is "twenty-two million, five hundred fifty-two thousand, two hundred one".