11372228 has 24 divisors (see below), whose sum is σ = 22881600. Its totient is φ = 4844448.

The previous prime is 11372213. The next prime is 11372243. The reversal of 11372228 is 82227311.

It is an interprime number because it is at equal distance from previous prime (11372213) and next prime (11372243).

It is a junction number, because it is equal to n+sod(n) for n = 11372197 and 11372206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3878 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (953400).

Almost surely, 2^11372228 is an apocalyptic number.

It is an amenable number.

11372228 is an abundant number, since it is smaller than the sum of its proper divisors (11509372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11372228 is a wasteful number, since it uses less digits than its factorization.

11372228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459 (or 2457 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 11372228 is about 3372.2734171475. The cubic root of 11372228 is about 224.8788022174.

Adding to 11372228 its reverse (82227311), we get a palindrome (93599539).

The spelling of 11372228 in words is "eleven million, three hundred seventy-two thousand, two hundred twenty-eight".