223532340 has 48 divisors (see below), whose sum is σ = 658835520. Its totient is φ = 56471040.

The previous prime is 223532327. The next prime is 223532341. The reversal of 223532340 is 43235322.

223532340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 223532340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223532341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96901 + ... + 99180.

It is an arithmetic number, because the mean of its divisors is an integer number (13725740).

Almost surely, 2^223532340 is an apocalyptic number.

223532340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223532340 is an abundant number, since it is smaller than the sum of its proper divisors (435303180).

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

223532340 is a wasteful number, since it uses less digits than its factorization.

223532340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196112 (or 196110 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 223532340 is about 14950.9979600025. The cubic root of 223532340 is about 606.8948537144.

Adding to 223532340 its reverse (43235322), we get a palindrome (266767662).

The spelling of 223532340 in words is "two hundred twenty-three million, five hundred thirty-two thousand, three hundred forty".