223655536 has 80 divisors (see below), whose sum is σ = 520279200. Its totient is φ = 92012544.

The previous prime is 223655507. The next prime is 223655591. The reversal of 223655536 is 635556322.

223655536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 223655495 and 223655504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65520 + ... + 68848.

It is an arithmetic number, because the mean of its divisors is an integer number (6503490).

Almost surely, 2^223655536 is an apocalyptic number.

223655536 is a gapful number since it is divisible by the number (26) 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 223655536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260139600).

223655536 is an abundant number, since it is smaller than the sum of its proper divisors (296623664).

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

223655536 is a wasteful number, since it uses less digits than its factorization.

223655536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386 (or 3380 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The square root of 223655536 is about 14955.1173850291. The cubic root of 223655536 is about 607.0063264542.

The spelling of 223655536 in words is "two hundred twenty-three million, six hundred fifty-five thousand, five hundred thirty-six".