1222114218 has 32 divisors (see below), whose sum is σ = 2703394176. Its totient is φ = 365871168.

The previous prime is 1222114217. The next prime is 1222114247. The reversal of 1222114218 is 8124112221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1222114211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208846 + ... + 214617.

It is an arithmetic number, because the mean of its divisors is an integer number (84481068).

Almost surely, 2^1222114218 is an apocalyptic number.

1222114218 is an abundant number, since it is smaller than the sum of its proper divisors (1481279958).

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

1222114218 is a wasteful number, since it uses less digits than its factorization.

1222114218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423518.

The product of its digits is 512, while the sum is 24.

The square root of 1222114218 is about 34958.7502350985. The cubic root of 1222114218 is about 1069.1466156845.

Adding to 1222114218 its reverse (8124112221), we get a palindrome (9346226439).

It can be divided in two parts, 1222 and 114218, that added together give a triangular number (115440 = T₄₈₀).

The spelling of 1222114218 in words is "one billion, two hundred twenty-two million, one hundred fourteen thousand, two hundred eighteen".