11291322 has 16 divisors (see below), whose sum is σ = 25808832. Its totient is φ = 3226080.

The previous prime is 11291317. The next prime is 11291333. The reversal of 11291322 is 22319211.

11291322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 134379 + ... + 134462.

It is an arithmetic number, because the mean of its divisors is an integer number (1613052).

Almost surely, 2^11291322 is an apocalyptic number.

11291322 is an abundant number, since it is smaller than the sum of its proper divisors (14517510).

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

11291322 is a wasteful number, since it uses less digits than its factorization.

11291322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268853.

The product of its digits is 216, while the sum is 21.

The square root of 11291322 is about 3360.2562402293. The cubic root of 11291322 is about 224.3442437598.

The spelling of 11291322 in words is "eleven million, two hundred ninety-one thousand, three hundred twenty-two".