1329222222 has 24 divisors (see below), whose sum is σ = 2880850440. Its totient is φ = 442940400.

The previous prime is 1329222211. The next prime is 1329222229. The reversal of 1329222222 is 2222229231.

1329222222 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

1329222222 is a modest number, since divided by 22222 gives 13292 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1329222229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63804 + ... + 82032.

It is an arithmetic number, because the mean of its divisors is an integer number (120035435).

Almost surely, 2^1329222222 is an apocalyptic number.

It is a pronic number, being equal to 36458×36459.

1329222222 is an abundant number, since it is smaller than the sum of its proper divisors (1551628218).

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

1329222222 is a wasteful number, since it uses less digits than its factorization.

1329222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22288 (or 22285 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1329222222 is about 36458.4999965714. The cubic root of 1329222222 is about 1099.5100357860.

The spelling of 1329222222 in words is "one billion, three hundred twenty-nine million, two hundred twenty-two thousand, two hundred twenty-two".