1320013222 has 16 divisors (see below), whose sum is σ = 2175566400. Its totient is φ = 595688040.

The previous prime is 1320013207. The next prime is 1320013231. The reversal of 1320013222 is 2223100231.

It is a junction number, because it is equal to n+sod(n) for n = 1320013196 and 1320013205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212772 + ... + 218887.

It is an arithmetic number, because the mean of its divisors is an integer number (135972900).

Almost surely, 2^1320013222 is an apocalyptic number.

1320013222 is a deficient number, since it is larger than the sum of its proper divisors (855553178).

1320013222 is a wasteful number, since it uses less digits than its factorization.

1320013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431811.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1320013222 is about 36331.9862105005. The cubic root of 1320013222 is about 1096.9649731062.

Adding to 1320013222 its reverse (2223100231), we get a palindrome (3543113453).

The spelling of 1320013222 in words is "one billion, three hundred twenty million, thirteen thousand, two hundred twenty-two".