11222331 has 32 divisors (see below), whose sum is σ = 16588800. Its totient is φ = 6723360.

The previous prime is 11222317. The next prime is 11222339. The reversal of 11222331 is 13322211.

It is not a de Polignac number, because 11222331 - 2¹⁰ = 11221307 is a prime.

It is a super-2 number, since 2×11222331² = 251881426147122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11222331.

It is not an unprimeable number, because it can be changed into a prime (11222339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158026 + ... + 158096.

It is an arithmetic number, because the mean of its divisors is an integer number (518400).

Almost surely, 2^11222331 is an apocalyptic number.

11222331 is a deficient number, since it is larger than the sum of its proper divisors (5366469).

11222331 is a wasteful number, since it uses less digits than its factorization.

11222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its digits is 72, while the sum is 15.

The square root of 11222331 is about 3349.9747760244. The cubic root of 11222331 is about 223.8863887623.

Adding to 11222331 its reverse (13322211), we get a palindrome (24544542).

The spelling of 11222331 in words is "eleven million, two hundred twenty-two thousand, three hundred thirty-one".