1320122222 has 4 divisors (see below), whose sum is σ = 1980183336. Its totient is φ = 660061110.

The previous prime is 1320122203. The next prime is 1320122333. The reversal of 1320122222 is 2222210231.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1320122222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330030554 + ... + 330030557.

It is an arithmetic number, because the mean of its divisors is an integer number (495045834).

Almost surely, 2^1320122222 is an apocalyptic number.

1320122222 is a deficient number, since it is larger than the sum of its proper divisors (660061114).

1320122222 is an equidigital number, since it uses as much as digits as its factorization.

1320122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660061113.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1320122222 is about 36333.4862351523. The cubic root of 1320122222 is about 1096.9951662106.

Adding to 1320122222 its reverse (2222210231), we get a palindrome (3542332453).

The spelling of 1320122222 in words is "one billion, three hundred twenty million, one hundred twenty-two thousand, two hundred twenty-two".