222242012 has 12 divisors (see below), whose sum is σ = 409393320. Its totient is φ = 105272496.

The previous prime is 222241997. The next prime is 222242021. The reversal of 222242012 is 210242222.

It is a congruent number.

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, 1462043 + ... + 1462194.

It is an arithmetic number, because the mean of its divisors is an integer number (34116110).

Almost surely, 2^222242012 is an apocalyptic number.

It is an amenable number.

222242012 is a deficient number, since it is larger than the sum of its proper divisors (187151308).

222242012 is a wasteful number, since it uses less digits than its factorization.

222242012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924260 (or 2924258 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 222242012 is about 14907.7836045470. The cubic root of 222242012 is about 605.7248439500.

Adding to 222242012 its reverse (210242222), we get a palindrome (432484234).

The spelling of 222242012 in words is "two hundred twenty-two million, two hundred forty-two thousand, twelve".