1220302222 has 16 divisors (see below), whose sum is σ = 1864174032. Its totient is φ = 598973760.

The previous prime is 1220302207. The next prime is 1220302231. The reversal of 1220302222 is 2222030221.

It is a junction number, because it is equal to n+sod(n) for n = 1220302196 and 1220302205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23722 + ... + 54802.

It is an arithmetic number, because the mean of its divisors is an integer number (116510877).

Almost surely, 2^1220302222 is an apocalyptic number.

1220302222 is a deficient number, since it is larger than the sum of its proper divisors (643871810).

1220302222 is a wasteful number, since it uses less digits than its factorization.

1220302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31443.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1220302222 is about 34932.8244205933. The cubic root of 1220302222 is about 1068.6179559767.

Adding to 1220302222 its reverse (2222030221), we get a palindrome (3442332443).

The spelling of 1220302222 in words is "one billion, two hundred twenty million, three hundred two thousand, two hundred twenty-two".