222111202 has 4 divisors (see below), whose sum is σ = 333166806. Its totient is φ = 111055600.

The previous prime is 222111199. The next prime is 222111209. The reversal of 222111202 is 202111222.

It is a happy number.

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., 191850201 + 30261001 = 13851^2 + 5501^2 .

It is not an unprimeable number, because it can be changed into a prime (222111209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55527799 + ... + 55527802.

Almost surely, 2^222111202 is an apocalyptic number.

222111202 is a deficient number, since it is larger than the sum of its proper divisors (111055604).

222111202 is a wasteful number, since it uses less digits than its factorization.

222111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111055603.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 222111202 is about 14903.3956533402. The cubic root of 222111202 is about 605.6059789090.

Adding to 222111202 its reverse (202111222), we get a palindrome (424222424).

The spelling of 222111202 in words is "two hundred twenty-two million, one hundred eleven thousand, two hundred two".