1328266211 has 8 divisors (see below), whose sum is σ = 1335683280. Its totient is φ = 1320863328.

The previous prime is 1328266187. The next prime is 1328266213. The reversal of 1328266211 is 1126628231.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1328266211 is a prime.

It is a super-2 number, since 2×1328266211² = 3528582254568593042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1328266213) 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, 223385 + ... + 229253.

It is an arithmetic number, because the mean of its divisors is an integer number (166960410).

Almost surely, 2^1328266211 is an apocalyptic number.

1328266211 is a deficient number, since it is larger than the sum of its proper divisors (7417069).

1328266211 is an equidigital number, since it uses as much as digits as its factorization.

1328266211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093.

The product of its digits is 6912, while the sum is 32.

The square root of 1328266211 is about 36445.3866902246. The cubic root of 1328266211 is about 1099.2463738803.

The spelling of 1328266211 in words is "one billion, three hundred twenty-eight million, two hundred sixty-six thousand, two hundred eleven".