11221884 has 36 divisors (see below), whose sum is σ = 29601936. Its totient is φ = 3577728.

The previous prime is 11221883. The next prime is 11221891. The reversal of 11221884 is 48812211.

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

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5949 + ... + 7604.

It is an arithmetic number, because the mean of its divisors is an integer number (822276).

Almost surely, 2^11221884 is an apocalyptic number.

It is an amenable number.

11221884 is an abundant number, since it is smaller than the sum of its proper divisors (18380052).

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

11221884 is a wasteful number, since it uses less digits than its factorization.

11221884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13586 (or 13581 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 11221884 is about 3349.9080584398. The cubic root of 11221884 is about 223.8834161611.

The spelling of 11221884 in words is "eleven million, two hundred twenty-one thousand, eight hundred eighty-four".