11022231 has 16 divisors (see below), whose sum is σ = 16195968. Its totient is φ = 6612000.

The previous prime is 11022229. The next prime is 11022241. The reversal of 11022231 is 13222011.

It is not a de Polignac number, because 11022231 - 2¹ = 11022229 is a prime.

It is a super-2 number, since 2×11022231² = 242979152434722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1680 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (1012248).

Almost surely, 2^11022231 is an apocalyptic number.

11022231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11022231 is a deficient number, since it is larger than the sum of its proper divisors (5173737).

11022231 is a wasteful number, since it uses less digits than its factorization.

11022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3422.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11022231 is about 3319.9745480952. The cubic root of 11022231 is about 222.5477303654.

Adding to 11022231 its reverse (13222011), we get a palindrome (24244242).

It can be divided in two parts, 1102 and 2231, that added together give a palindrome (3333).

The spelling of 11022231 in words is "eleven million, twenty-two thousand, two hundred thirty-one".