22242202 has 8 divisors (see below), whose sum is σ = 33385716. Its totient is φ = 11113632.

The previous prime is 22242193. The next prime is 22242203. The reversal of 22242202 is 20224222.

It can be written as a sum of positive squares in 2 ways, for example, as 20985561 + 1256641 = 4581^2 + 1121^2 .

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 (22242203) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1398 + ... + 6814.

Almost surely, 2^22242202 is an apocalyptic number.

22242202 is a deficient number, since it is larger than the sum of its proper divisors (11143514).

22242202 is a wasteful number, since it uses less digits than its factorization.

22242202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7472.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 22242202 is about 4716.1639072450. The cubic root of 22242202 is about 281.2284545141.

Adding to 22242202 its reverse (20224222), we get a palindrome (42466424).

It can be divided in two parts, 2224220 and 2, that added together give a palindrome (2224222).

The spelling of 22242202 in words is "twenty-two million, two hundred forty-two thousand, two hundred two".