222012202 has 4 divisors (see below), whose sum is σ = 333018306. Its totient is φ = 111006100.

The previous prime is 222012187. The next prime is 222012209. The reversal of 222012202 is 202210222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159744321 + 62267881 = 12639^2 + 7891^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (222012209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55503049 + ... + 55503052.

Almost surely, 2^222012202 is an apocalyptic number.

222012202 is a deficient number, since it is larger than the sum of its proper divisors (111006104).

222012202 is a wasteful number, since it uses less digits than its factorization.

222012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111006103.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 222012202 is about 14900.0738924342. The cubic root of 222012202 is about 605.5159880976.

Adding to 222012202 its reverse (202210222), we get a palindrome (424222424).

The spelling of 222012202 in words is "two hundred twenty-two million, twelve thousand, two hundred two".