222712274 has 8 divisors (see below), whose sum is σ = 353719548. Its totient is φ = 104805760.

The previous prime is 222712271. The next prime is 222712283. The reversal of 222712274 is 472217222.

It can be written as a sum of positive squares in 2 ways, for example, as 190302025 + 32410249 = 13795^2 + 5693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222712271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275147 + ... + 3275214.

Almost surely, 2^222712274 is an apocalyptic number.

222712274 is a deficient number, since it is larger than the sum of its proper divisors (131007274).

222712274 is a wasteful number, since it uses less digits than its factorization.

222712274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550380.

The product of its digits is 6272, while the sum is 29.

The square root of 222712274 is about 14923.5476345271. The cubic root of 222712274 is about 606.1517789791.

Adding to 222712274 its reverse (472217222), we get a palindrome (694929496).

The spelling of 222712274 in words is "two hundred twenty-two million, seven hundred twelve thousand, two hundred seventy-four".