223117420 has 24 divisors (see below), whose sum is σ = 468838944. Its totient is φ = 89191296.

The previous prime is 223117417. The next prime is 223117451. The reversal of 223117420 is 24711322.

It is a super-3 number, since 3×223117420³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223117391 and 223117400.

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 7 ways as a sum of consecutive naturals, for example, 47832 + ... + 52288.

It is an arithmetic number, because the mean of its divisors is an integer number (19534956).

Almost surely, 2^223117420 is an apocalyptic number.

223117420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223117420 is an abundant number, since it is smaller than the sum of its proper divisors (245721524).

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

223117420 is a wasteful number, since it uses less digits than its factorization.

223117420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 223117420 is about 14937.1155180644. The cubic root of 223117420 is about 606.5191157216.

Adding to 223117420 its reverse (24711322), we get a palindrome (247828742).

The spelling of 223117420 in words is "two hundred twenty-three million, one hundred seventeen thousand, four hundred twenty".