222146116 has 12 divisors (see below), whose sum is σ = 389999932. Its totient is φ = 110717568.

The previous prime is 222146069. The next prime is 222146129. The reversal of 222146116 is 611641222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1742400 + 220403716 = 1320^2 + 14846^2 .

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, 87465 + ... + 89968.

Almost surely, 2^222146116 is an apocalyptic number.

It is an amenable number.

222146116 is a deficient number, since it is larger than the sum of its proper divisors (167853816).

222146116 is a wasteful number, since it uses less digits than its factorization.

222146116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177750 (or 177748 counting only the distinct ones).

The product of its digits is 1152, while the sum is 25.

The square root of 222146116 is about 14904.5669511060. The cubic root of 222146116 is about 605.6377092903.

Adding to 222146116 its reverse (611641222), we get a palindrome (833787338).

The spelling of 222146116 in words is "two hundred twenty-two million, one hundred forty-six thousand, one hundred sixteen".