223288434 has 16 divisors (see below), whose sum is σ = 496196640. Its totient is φ = 74429460.

The previous prime is 223288423. The next prime is 223288441. The reversal of 223288434 is 434882322.

It is a happy number.

It is a super-3 number, since 3×223288434³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067432 + ... + 2067539.

It is an arithmetic number, because the mean of its divisors is an integer number (31012290).

Almost surely, 2^223288434 is an apocalyptic number.

223288434 is an abundant number, since it is smaller than the sum of its proper divisors (272908206).

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

223288434 is a wasteful number, since it uses less digits than its factorization.

223288434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4134982 (or 4134976 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 223288434 is about 14942.8388869050. The cubic root of 223288434 is about 606.6740367954.

The spelling of 223288434 in words is "two hundred twenty-three million, two hundred eighty-eight thousand, four hundred thirty-four".