1222221114 has 24 divisors (see below), whose sum is σ = 2667480660. Its totient is φ = 404432448.

The previous prime is 1222221109. The next prime is 1222221139. The reversal of 1222221114 is 4111222221.

It can be written as a sum of positive squares in 2 ways, for example, as 1207910025 + 14311089 = 34755^2 + 3783^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245349 + ... + 250280.

Almost surely, 2^1222221114 is an apocalyptic number.

1222221114 is an abundant number, since it is smaller than the sum of its proper divisors (1445259546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222221114 is a wasteful number, since it uses less digits than its factorization.

1222221114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495774 (or 495771 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 1222221114 is about 34960.2790892750. The cubic root of 1222221114 is about 1069.1777868475.

Adding to 1222221114 its reverse (4111222221), we get a palindrome (5333443335).

The spelling of 1222221114 in words is "one billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred fourteen".