222425066 has 4 divisors (see below), whose sum is σ = 333637602. Its totient is φ = 111212532.

The previous prime is 222425011. The next prime is 222425083. The reversal of 222425066 is 660524222.

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., 213598225 + 8826841 = 14615^2 + 2971^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606265 + ... + 55606268.

Almost surely, 2^222425066 is an apocalyptic number.

222425066 is a deficient number, since it is larger than the sum of its proper divisors (111212536).

222425066 is a wasteful number, since it uses less digits than its factorization.

222425066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111212535.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 222425066 is about 14913.9218852722. The cubic root of 222425066 is about 605.8911040338.

Adding to 222425066 its reverse (660524222), we get a palindrome (882949288).

The spelling of 222425066 in words is "two hundred twenty-two million, four hundred twenty-five thousand, sixty-six".