223442340 has 96 divisors (see below), whose sum is σ = 685915776. Its totient is φ = 53898240.

The previous prime is 223442281. The next prime is 223442357. The reversal of 223442340 is 43244322.

223442340 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 223442340.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153054 + ... + 154506.

It is an arithmetic number, because the mean of its divisors is an integer number (7144956).

Almost surely, 2^223442340 is an apocalyptic number.

223442340 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 223442340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342957888).

223442340 is an abundant number, since it is smaller than the sum of its proper divisors (462473436).

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

223442340 is a wasteful number, since it uses less digits than its factorization.

223442340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 223442340 is about 14947.9878244532. The cubic root of 223442340 is about 606.8133921698.

Adding to 223442340 its reverse (43244322), we get a palindrome (266686662).

The spelling of 223442340 in words is "two hundred twenty-three million, four hundred forty-two thousand, three hundred forty".