11222912 has 16 divisors (see below), whose sum is σ = 22358400. Its totient is φ = 5611392.

The previous prime is 11222867. The next prime is 11222917. The reversal of 11222912 is 21922211.

It is a happy number.

11222912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43712 + ... + 43967.

It is an arithmetic number, because the mean of its divisors is an integer number (1397400).

Almost surely, 2^11222912 is an apocalyptic number.

It is an amenable number.

11222912 is a deficient number, since it is larger than the sum of its proper divisors (11135488).

11222912 is an frugal number, since it uses more digits than its factorization.

11222912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87693 (or 87681 counting only the distinct ones).

The product of its digits is 144, while the sum is 20.

The square root of 11222912 is about 3350.0614919729. The cubic root of 11222912 is about 223.8902523609.

The spelling of 11222912 in words is "eleven million, two hundred twenty-two thousand, nine hundred twelve".