1213302222 has 24 divisors (see below), whose sum is σ = 2867805720. Its totient is φ = 367667280.

The previous prime is 1213302163. The next prime is 1213302241. The reversal of 1213302222 is 2222033121.

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

It is a junction number, because it is equal to n+sod(n) for n = 1213302195 and 1213302204.

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 11 ways as a sum of consecutive naturals, for example, 3063697 + ... + 3064092.

It is an arithmetic number, because the mean of its divisors is an integer number (119491905).

Almost surely, 2^1213302222 is an apocalyptic number.

1213302222 is an abundant number, since it is smaller than the sum of its proper divisors (1654503498).

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

1213302222 is a wasteful number, since it uses less digits than its factorization.

1213302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127808 (or 6127805 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1213302222 is about 34832.4880248311. The cubic root of 1213302222 is about 1066.5707378357.

Adding to 1213302222 its reverse (2222033121), we get a palindrome (3435335343).

The spelling of 1213302222 in words is "one billion, two hundred thirteen million, three hundred two thousand, two hundred twenty-two".