1220222332222 has 16 divisors (see below), whose sum is σ = 1856561494752. Its totient is φ = 601378905600.

The previous prime is 1220222332213. The next prime is 1220222332229. The reversal of 1220222332222 is 2222332220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220222332229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365779 + ... + 2835022.

It is an arithmetic number, because the mean of its divisors is an integer number (116035093422).

Almost surely, 2^{1220222332222} is an apocalyptic number.

1220222332222 is a deficient number, since it is larger than the sum of its proper divisors (636339162530).

1220222332222 is a wasteful number, since it uses less digits than its factorization.

1220222332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5202483.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1220222332222 its reverse (2222332220221), we get a palindrome (3442554552443).

The spelling of 1220222332222 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-two".