11542228 has 24 divisors (see below), whose sum is σ = 21288960. Its totient is φ = 5464800.

The previous prime is 11542217. The next prime is 11542231. The reversal of 11542228 is 82224511.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 9453 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^11542228 is an apocalyptic number.

It is an amenable number.

11542228 is a deficient number, since it is larger than the sum of its proper divisors (9746732).

11542228 is a wasteful number, since it uses less digits than its factorization.

11542228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1285 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 11542228 is about 3397.3854653248. The cubic root of 11542228 is about 225.9938129718.

Adding to 11542228 its reverse (82224511), we get a palindrome (93766739).

The spelling of 11542228 in words is "eleven million, five hundred forty-two thousand, two hundred twenty-eight".