11272284 has 36 divisors (see below), whose sum is σ = 29551704. Its totient is φ = 3757104.

The previous prime is 11272279. The next prime is 11272291. The reversal of 11272284 is 48227211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×11272284³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4827 + ... + 6770.

Almost surely, 2^11272284 is an apocalyptic number.

It is an amenable number.

11272284 is an abundant number, since it is smaller than the sum of its proper divisors (18279420).

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

11272284 is a wasteful number, since it uses less digits than its factorization.

11272284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616 (or 11602 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 11272284 is about 3357.4222254581. The cubic root of 11272284 is about 224.2180858600.

Adding to 11272284 its reverse (48227211), we get a palindrome (59499495).

The spelling of 11272284 in words is "eleven million, two hundred seventy-two thousand, two hundred eighty-four".