1320222211 has 8 divisors (see below), whose sum is σ = 1645991424. Its totient is φ = 1028744520.

The previous prime is 1320222161. The next prime is 1320222221. The reversal of 1320222211 is 1122220231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1320222211 - 2⁷ = 1320222083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1320222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8572795 + ... + 8572948.

It is an arithmetic number, because the mean of its divisors is an integer number (205748928).

Almost surely, 2^1320222211 is an apocalyptic number.

1320222211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1320222211 is a deficient number, since it is larger than the sum of its proper divisors (325769213).

1320222211 is a wasteful number, since it uses less digits than its factorization.

1320222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17145761.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1320222211 is about 36334.8621987204. The cubic root of 1320222211 is about 1097.0228617979.

Adding to 1320222211 its reverse (1122220231), we get a palindrome (2442442442).

The spelling of 1320222211 in words is "one billion, three hundred twenty million, two hundred twenty-two thousand, two hundred eleven".