7221104 has 40 divisors (see below), whose sum is σ = 15467760. Its totient is φ = 3238400.

The previous prime is 7221101. The next prime is 7221131. The reversal of 7221104 is 4011227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15434 + ... + 15894.

It is an arithmetic number, because the mean of its divisors is an integer number (386694).

Almost surely, 2^7221104 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 7221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7733880).

7221104 is an abundant number, since it is smaller than the sum of its proper divisors (8246656).

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

7221104 is a wasteful number, since it uses less digits than its factorization.

7221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 7221104 is about 2687.2111937844. The cubic root of 7221104 is about 193.2863566667.

The spelling of 7221104 in words is "seven million, two hundred twenty-one thousand, one hundred four".