1210220222 has 16 divisors (see below), whose sum is σ = 1876234752. Its totient is φ = 584857560.

The previous prime is 1210220159. The next prime is 1210220227. The reversal of 1210220222 is 2220220121.

It is a junction number, because it is equal to n+sod(n) for n = 1210220197 and 1210220206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210220227) 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, 39473 + ... + 63075.

It is an arithmetic number, because the mean of its divisors is an integer number (117264672).

Almost surely, 2^1210220222 is an apocalyptic number.

1210220222 is a deficient number, since it is larger than the sum of its proper divisors (666014530).

1210220222 is a wasteful number, since it uses less digits than its factorization.

1210220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24463.

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

The square root of 1210220222 is about 34788.2195865210. The cubic root of 1210220222 is about 1065.6668799679. Note that the first 3 decimals are identical.

Adding to 1210220222 its reverse (2220220121), we get a palindrome (3430440343).

The spelling of 1210220222 in words is "one billion, two hundred ten million, two hundred twenty thousand, two hundred twenty-two".