223526240 has 96 divisors (see below), whose sum is σ = 615988800. Its totient is φ = 76618752.

The previous prime is 223526239. The next prime is 223526243. The reversal of 223526240 is 42625322.

223526240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223526243) 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, 52844 + ... + 56916.

It is an arithmetic number, because the mean of its divisors is an integer number (6416550).

Almost surely, 2^223526240 is an apocalyptic number.

223526240 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 223526240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307994400).

223526240 is an abundant number, since it is smaller than the sum of its proper divisors (392462560).

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

223526240 is an equidigital number, since it uses as much as digits as its factorization.

223526240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4109 (or 4087 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 223526240 is about 14950.7939588505. The cubic root of 223526240 is about 606.8893331228.

The spelling of 223526240 in words is "two hundred twenty-three million, five hundred twenty-six thousand, two hundred forty".