11172227 has 8 divisors (see below), whose sum is σ = 12718080. Its totient is φ = 9714760.

The previous prime is 11172199. The next prime is 11172233. The reversal of 11172227 is 72227111.

11172227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11172227 - 2¹⁰ = 11171203 is a prime.

It is a super-2 number, since 2×11172227² = 249637312279058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (11172257) 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, 21827 + ... + 22332.

It is an arithmetic number, because the mean of its divisors is an integer number (1589760).

Almost surely, 2^11172227 is an apocalyptic number.

11172227 is a deficient number, since it is larger than the sum of its proper divisors (1545853).

11172227 is a wasteful number, since it uses less digits than its factorization.

11172227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44193.

The product of its digits is 392, while the sum is 23.

The square root of 11172227 is about 3342.4881450799. The cubic root of 11172227 is about 223.5526987458.

Adding to 11172227 its reverse (72227111), we get a palindrome (83399338).

The spelling of 11172227 in words is "eleven million, one hundred seventy-two thousand, two hundred twenty-seven".