11222127 has 18 divisors (see below), whose sum is σ = 18856968. Its totient is φ = 6412392.

The previous prime is 11222089. The next prime is 11222129. The reversal of 11222127 is 72122211.

It is a happy number.

It is not a de Polignac number, because 11222127 - 2¹⁰ = 11221103 is a prime.

It is a super-2 number, since 2×11222127² = 251872268808258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222129) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12283 + ... + 13164.

Almost surely, 2^11222127 is an apocalyptic number.

11222127 is a deficient number, since it is larger than the sum of its proper divisors (7634841).

11222127 is a wasteful number, since it uses less digits than its factorization.

11222127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25467 (or 25457 counting only the distinct ones).

The product of its digits is 112, while the sum is 18.

The square root of 11222127 is about 3349.9443278956. The cubic root of 11222127 is about 223.8850321488.

Adding to 11222127 its reverse (72122211), we get a palindrome (83344338).

It can be divided in two parts, 1122 and 2127, that added together give a square (3249 = 57²).

The spelling of 11222127 in words is "eleven million, two hundred twenty-two thousand, one hundred twenty-seven".