222102245 has 4 divisors (see below), whose sum is σ = 266522700. Its totient is φ = 177681792.

The previous prime is 222102233. The next prime is 222102269. The reversal of 222102245 is 542201222.

222102245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 33616804 + 188485441 = 5798^2 + 13729^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222102245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22210220 + ... + 22210229.

It is an arithmetic number, because the mean of its divisors is an integer number (66630675).

Almost surely, 2^222102245 is an apocalyptic number.

It is an amenable number.

222102245 is a deficient number, since it is larger than the sum of its proper divisors (44420455).

222102245 is an equidigital number, since it uses as much as digits as its factorization.

222102245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44420454.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 222102245 is about 14903.0951483241. The cubic root of 222102245 is about 605.5978381135.

Adding to 222102245 its reverse (542201222), we get a palindrome (764303467).

The spelling of 222102245 in words is "two hundred twenty-two million, one hundred two thousand, two hundred forty-five".