7132224 has 84 divisors (see below), whose sum is σ = 20809712. Its totient is φ = 2154240.

The previous prime is 7132211. The next prime is 7132241. The reversal of 7132224 is 4222317.

It is a self number, because there is not a number n which added to its sum of digits gives 7132224.

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, 23079 + ... + 23385.

Almost surely, 2^7132224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7132224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10404856).

7132224 is an abundant number, since it is smaller than the sum of its proper divisors (13677488).

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

7132224 is a wasteful number, since it uses less digits than its factorization.

7132224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 323 counting only the distinct ones).

The product of its digits is 672, while the sum is 21.

The square root of 7132224 is about 2670.6223993669. The cubic root of 7132224 is about 192.4900675147.

It can be divided in two parts, 7 and 132224, that added together give a palindrome (132231).

The spelling of 7132224 in words is "seven million, one hundred thirty-two thousand, two hundred twenty-four".