222221122246 has 8 divisors (see below), whose sum is σ = 333335867400. Its totient is φ = 111109166448.

The previous prime is 222221122213. The next prime is 222221122247. The reversal of 222221122246 is 642221122222.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222221122247) 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, 485271 + ... + 824578.

It is an arithmetic number, because the mean of its divisors is an integer number (41666983425).

Almost surely, 2^222221122246 is an apocalyptic number.

222221122246 is a deficient number, since it is larger than the sum of its proper divisors (111114745154).

222221122246 is a wasteful number, since it uses less digits than its factorization.

222221122246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1394678.

The product of its digits is 6144, while the sum is 28.

Adding to 222221122246 its reverse (642221122222), we get a palindrome (864442244468).

The spelling of 222221122246 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred forty-six".