11322231 has 8 divisors (see below), whose sum is σ = 15381360. Its totient is φ = 7405632.

The previous prime is 11322229. The next prime is 11322251. The reversal of 11322231 is 13222311.

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

It is not a de Polignac number, because 11322231 - 2¹ = 11322229 is a prime.

It is a super-2 number, since 2×11322231² = 256385829634722, 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 11322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11322211) 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, 35446 + ... + 35763.

It is an arithmetic number, because the mean of its divisors is an integer number (1922670).

Almost surely, 2^11322231 is an apocalyptic number.

11322231 is a deficient number, since it is larger than the sum of its proper divisors (4059129).

11322231 is an equidigital number, since it uses as much as digits as its factorization.

11322231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71265.

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

The square root of 11322231 is about 3364.8522998789. The cubic root of 11322231 is about 224.5487647931.

Adding to 11322231 its reverse (13222311), we get a palindrome (24544542).

The spelling of 11322231 in words is "eleven million, three hundred twenty-two thousand, two hundred thirty-one".