1220102222 has 8 divisors (see below), whose sum is σ = 1840732776. Its totient is φ = 606524632.

The previous prime is 1220102209. The next prime is 1220102237. The reversal of 1220102222 is 2222010221.

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

It is a junction number, because it is equal to n+sod(n) for n = 1220102197 and 1220102206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762808 + ... + 1763499.

It is an arithmetic number, because the mean of its divisors is an integer number (230091597).

Almost surely, 2^1220102222 is an apocalyptic number.

1220102222 is a deficient number, since it is larger than the sum of its proper divisors (620630554).

1220102222 is a wasteful number, since it uses less digits than its factorization.

1220102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526482.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1220102222 is about 34929.9616661685. The cubic root of 1220102222 is about 1068.5595728253.

Adding to 1220102222 its reverse (2222010221), we get a palindrome (3442112443).

The spelling of 1220102222 in words is "one billion, two hundred twenty million, one hundred two thousand, two hundred twenty-two".