222702266 has 4 divisors (see below), whose sum is σ = 334053402. Its totient is φ = 111351132.

The previous prime is 222702257. The next prime is 222702269. The reversal of 222702266 is 662207222.

222702266 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 only one way, i.e., 124791241 + 97911025 = 11171^2 + 9895^2 .

It is not an unprimeable number, because it can be changed into a prime (222702269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55675565 + ... + 55675568.

Almost surely, 2^222702266 is an apocalyptic number.

222702266 is a deficient number, since it is larger than the sum of its proper divisors (111351136).

222702266 is a wasteful number, since it uses less digits than its factorization.

222702266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111351135.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 222702266 is about 14923.2123217490. The cubic root of 222702266 is about 606.1426993151.

Adding to 222702266 its reverse (662207222), we get a palindrome (884909488).

The spelling of 222702266 in words is "two hundred twenty-two million, seven hundred two thousand, two hundred sixty-six".