11224131 has 16 divisors (see below), whose sum is σ = 16394400. Its totient is φ = 6798848.

The previous prime is 11224123. The next prime is 11224141. The reversal of 11224131 is 13142211.

It is a cyclic number.

It is not a de Polignac number, because 11224131 - 2³ = 11224123 is a prime.

It is a super-2 number, since 2×11224131² = 251962233410322, 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 11224131.

It is not an unprimeable number, because it can be changed into a prime (11224121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2316 + ... + 5273.

It is an arithmetic number, because the mean of its divisors is an integer number (1024650).

Almost surely, 2^11224131 is an apocalyptic number.

11224131 is a deficient number, since it is larger than the sum of its proper divisors (5170269).

11224131 is a wasteful number, since it uses less digits than its factorization.

11224131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7638.

The product of its digits is 48, while the sum is 15.

The square root of 11224131 is about 3350.2434239918. The cubic root of 11224131 is about 223.8983581698.

Adding to 11224131 its reverse (13142211), we get a palindrome (24366342).

It can be divided in two parts, 1122 and 4131, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 11224131 in words is "eleven million, two hundred twenty-four thousand, one hundred thirty-one".