7222160 has 80 divisors (see below), whose sum is σ = 19016640. Its totient is φ = 2526720.

The previous prime is 7222153. The next prime is 7222177. The reversal of 7222160 is 612227.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25379 + ... + 25661.

It is an arithmetic number, because the mean of its divisors is an integer number (237708).

Almost surely, 2^7222160 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 7222160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9508320).

7222160 is an abundant number, since it is smaller than the sum of its proper divisors (11794480).

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

7222160 is a wasteful number, since it uses less digits than its factorization.

7222160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336 (or 330 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 7222160 is about 2687.4076728327. The cubic root of 7222160 is about 193.2957781460.

Adding to 7222160 its reverse (612227), we get a palindrome (7834387).

It can be divided in two parts, 722 and 2160, that added together give a palindrome (2882).

The spelling of 7222160 in words is "seven million, two hundred twenty-two thousand, one hundred sixty".