4012222222 has 8 divisors (see below), whose sum is σ = 6031389672. Its totient is φ = 2001759000.

The previous prime is 4012222211. The next prime is 4012222223. The reversal of 4012222222 is 2222222104.

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

4012222222 is a modest number, since divided by 222222 gives 4012 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4012222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012222223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2174904 + ... + 2176747.

It is an arithmetic number, because the mean of its divisors is an integer number (753923709).

Almost surely, 2^4012222222 is an apocalyptic number.

4012222222 is a deficient number, since it is larger than the sum of its proper divisors (2019167450).

4012222222 is a wasteful number, since it uses less digits than its factorization.

4012222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352114.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4012222222 is about 63342.1046540135. The cubic root of 4012222222 is about 1589.0162053583.

Adding to 4012222222 its reverse (2222222104), we get a palindrome (6234444326).

The spelling of 4012222222 in words is "four billion, twelve million, two hundred twenty-two thousand, two hundred twenty-two".