223135388 has 12 divisors (see below), whose sum is σ = 446270832. Its totient is φ = 95629440.

The previous prime is 223135369. The next prime is 223135439. The reversal of 223135388 is 883531322.

223135388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

223135388 is an admirable number.

It is a super-3 number, since 3×223135388³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3984533 + ... + 3984588.

It is an arithmetic number, because the mean of its divisors is an integer number (37189236).

Almost surely, 2^223135388 is an apocalyptic number.

223135388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

223135388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

223135388 is a wasteful number, since it uses less digits than its factorization.

223135388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969132 (or 7969130 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 223135388 is about 14937.7169607675. The cubic root of 223135388 is about 606.5353966003.

The spelling of 223135388 in words is "two hundred twenty-three million, one hundred thirty-five thousand, three hundred eighty-eight".