22250212 has 12 divisors (see below), whose sum is σ = 41228460. Its totient is φ = 10470656.

The previous prime is 22250203. The next prime is 22250213. The reversal of 22250212 is 21205222.

It can be written as a sum of positive squares in 2 ways, for example, as 20848356 + 1401856 = 4566^2 + 1184^2 .

It is not an unprimeable number, because it can be changed into a prime (22250213) 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 3 ways as a sum of consecutive naturals, for example, 163537 + ... + 163672.

It is an arithmetic number, because the mean of its divisors is an integer number (3435705).

Almost surely, 2^22250212 is an apocalyptic number.

It is an amenable number.

22250212 is a deficient number, since it is larger than the sum of its proper divisors (18978248).

22250212 is a wasteful number, since it uses less digits than its factorization.

22250212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327230 (or 327228 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22250212 is about 4717.0130379298. The cubic root of 22250212 is about 281.2622097086.

Adding to 22250212 its reverse (21205222), we get a palindrome (43455434).

The spelling of 22250212 in words is "twenty-two million, two hundred fifty thousand, two hundred twelve".