223240332 has 48 divisors (see below), whose sum is σ = 598637312. Its totient is φ = 63426240.

The previous prime is 223240327. The next prime is 223240337. The reversal of 223240332 is 233042322.

It is an interprime number because it is at equal distance from previous prime (223240327) and next prime (223240337).

It is a super-3 number, since 3×223240332³ (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 junction number, because it is equal to n+sod(n) for n = 223240299 and 223240308.

It is not an unprimeable number, because it can be changed into a prime (223240337) 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, 7863 + ... + 22545.

Almost surely, 2^223240332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223240332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299318656).

223240332 is an abundant number, since it is smaller than the sum of its proper divisors (375396980).

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

223240332 is a wasteful number, since it uses less digits than its factorization.

223240332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878 (or 14876 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 223240332 is about 14941.2292666969. The cubic root of 223240332 is about 606.6304693346.

Adding to 223240332 its reverse (233042322), we get a palindrome (456282654).

The spelling of 223240332 in words is "two hundred twenty-three million, two hundred forty thousand, three hundred thirty-two".