7113222 has 24 divisors (see below), whose sum is σ = 15500160. Its totient is φ = 2357520.

The previous prime is 7113221. The next prime is 7113299. The reversal of 7113222 is 2223117.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 7113195 and 7113204.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2404 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (645840).

Almost surely, 2^7113222 is an apocalyptic number.

7113222 is an abundant number, since it is smaller than the sum of its proper divisors (8386938).

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

7113222 is a wasteful number, since it uses less digits than its factorization.

7113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 2265 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 7113222 is about 2667.0624289656. The cubic root of 7113222 is about 192.3189685039.

Adding to 7113222 its reverse (2223117), we get a palindrome (9336339).

The spelling of 7113222 in words is "seven million, one hundred thirteen thousand, two hundred twenty-two".