11212284 has 24 divisors (see below), whose sum is σ = 26277328. Its totient is φ = 3720960.

The previous prime is 11212283. The next prime is 11212291. The reversal of 11212284 is 48221211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212284.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 954 + ... + 4830.

Almost surely, 2^11212284 is an apocalyptic number.

It is an amenable number.

11212284 is an abundant number, since it is smaller than the sum of its proper divisors (15065044).

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

11212284 is a wasteful number, since it uses less digits than its factorization.

11212284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4125 (or 4123 counting only the distinct ones).

The product of its digits is 256, while the sum is 21.

The square root of 11212284 is about 3348.4748767163. The cubic root of 11212284 is about 223.8195559997.

Adding to 11212284 its reverse (48221211), we get a palindrome (59433495).

The spelling of 11212284 in words is "eleven million, two hundred twelve thousand, two hundred eighty-four".