113223220 has 24 divisors (see below), whose sum is σ = 259384608. Its totient is φ = 41172000.

The previous prime is 113223217. The next prime is 113223277. The reversal of 113223220 is 22322311.

It is a junction number, because it is equal to n+sod(n) for n = 113223194 and 113223203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257106 + ... + 257545.

It is an arithmetic number, because the mean of its divisors is an integer number (10807692).

Almost surely, 2^113223220 is an apocalyptic number.

113223220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113223220 is an abundant number, since it is smaller than the sum of its proper divisors (146161388).

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

113223220 is a wasteful number, since it uses less digits than its factorization.

113223220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514671 (or 514669 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 113223220 is about 10640.6400183448. The cubic root of 113223220 is about 483.7769445517.

Adding to 113223220 its reverse (22322311), we get a palindrome (135545531).

Subtracting from 113223220 its reverse (22322311), we obtain a palindrome (90900909).

The spelling of 113223220 in words is "one hundred thirteen million, two hundred twenty-three thousand, two hundred twenty".