222222466 has 4 divisors (see below), whose sum is σ = 333333702. Its totient is φ = 111111232.

The previous prime is 222222463. The next prime is 222222491. The reversal of 222222466 is 664222222.

222222466 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., 202464441 + 19758025 = 14229^2 + 4445^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (222222463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555615 + ... + 55555618.

Almost surely, 2^222222466 is an apocalyptic number.

222222466 is a deficient number, since it is larger than the sum of its proper divisors (111111236).

222222466 is a wasteful number, since it uses less digits than its factorization.

222222466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111235.

The product of its digits is 9216, while the sum is 28.

The square root of 222222466 is about 14907.1280265516. The cubic root of 222222466 is about 605.7070857641.

Adding to 222222466 its reverse (664222222), we get a palindrome (886444688).

The spelling of 222222466 in words is "two hundred twenty-two million, two hundred twenty-two thousand, four hundred sixty-six".