223241340 has 96 divisors (see below), whose sum is σ = 716889600. Its totient is φ = 50846976.

The previous prime is 223241321. The next prime is 223241341. The reversal of 223241340 is 43142322.

It is a super-3 number, since 3×223241340³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223241341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145819 + ... + 147341.

It is an arithmetic number, because the mean of its divisors is an integer number (7467600).

Almost surely, 2^223241340 is an apocalyptic number.

223241340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223241340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358444800).

223241340 is an abundant number, since it is smaller than the sum of its proper divisors (493648260).

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

223241340 is a wasteful number, since it uses less digits than its factorization.

223241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1889 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 223241340 is about 14941.2629988231. The cubic root of 223241340 is about 606.6313823754.

Adding to 223241340 its reverse (43142322), we get a palindrome (266383662).

The spelling of 223241340 in words is "two hundred twenty-three million, two hundred forty-one thousand, three hundred forty".