223256829 has 8 divisors (see below), whose sum is σ = 303292512. Its totient is φ = 146029520.

The previous prime is 223256807. The next prime is 223256833. The reversal of 223256829 is 928652322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223256829 - 2⁷ = 223256701 is a prime.

It is a super-3 number, since 3×223256829³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223256899) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 701907 + ... + 702224.

It is an arithmetic number, because the mean of its divisors is an integer number (37911564).

Almost surely, 2^223256829 is an apocalyptic number.

It is an amenable number.

223256829 is a deficient number, since it is larger than the sum of its proper divisors (80035683).

223256829 is a wasteful number, since it uses less digits than its factorization.

223256829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404187.

The product of its digits is 103680, while the sum is 39.

The square root of 223256829 is about 14941.7813195081. The cubic root of 223256829 is about 606.6454118800.

The spelling of 223256829 in words is "two hundred twenty-three million, two hundred fifty-six thousand, eight hundred twenty-nine".