11202231 has 16 divisors (see below), whose sum is σ = 15703424. Its totient is φ = 7094304.

The previous prime is 11202221. The next prime is 11202241. The reversal of 11202231 is 13220211.

It is an interprime number because it is at equal distance from previous prime (11202221) and next prime (11202241).

It is not a de Polignac number, because 11202231 - 2¹⁵ = 11169463 is a prime.

It is a super-2 number, since 2×11202231² = 250979958754722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202221) 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, 3600 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (981464).

Almost surely, 2^11202231 is an apocalyptic number.

11202231 is a deficient number, since it is larger than the sum of its proper divisors (4501193).

11202231 is a wasteful number, since it uses less digits than its factorization.

11202231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430.

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

The square root of 11202231 is about 3346.9734089174. The cubic root of 11202231 is about 223.7526433528.

Adding to 11202231 its reverse (13220211), we get a palindrome (24422442).

The spelling of 11202231 in words is "eleven million, two hundred two thousand, two hundred thirty-one".