7113220 has 24 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 2695392.

The previous prime is 7113209. The next prime is 7113221. The reversal of 7113220 is 223117.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7113194 and 7113203.

It is not an unprimeable number, because it can be changed into a prime (7113221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980 + ... + 9739.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^7113220 is an apocalyptic number.

It is an amenable number.

7113220 is an abundant number, since it is smaller than the sum of its proper divisors (8611580).

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

7113220 is a wasteful number, since it uses less digits than its factorization.

7113220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18747 (or 18745 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 7113220 is about 2667.0620540212. The cubic root of 7113220 is about 192.3189504794.

Adding to 7113220 its reverse (223117), we get a palindrome (7336337).

The spelling of 7113220 in words is "seven million, one hundred thirteen thousand, two hundred twenty".