223243775 has 12 divisors (see below), whose sum is σ = 279005952. Its totient is φ = 177186240.

The previous prime is 223243759. The next prime is 223243789. The reversal of 223243775 is 577342322.

It is not a de Polignac number, because 223243775 - 2⁴ = 223243759 is a prime.

It is a super-3 number, since 3×223243775³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31982 + ... + 38331.

It is an arithmetic number, because the mean of its divisors is an integer number (23250496).

Almost surely, 2^223243775 is an apocalyptic number.

223243775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

223243775 is a deficient number, since it is larger than the sum of its proper divisors (55762177).

223243775 is a wasteful number, since it uses less digits than its factorization.

223243775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70450 (or 70445 counting only the distinct ones).

The product of its digits is 70560, while the sum is 35.

The square root of 223243775 is about 14941.3444843495. The cubic root of 223243775 is about 606.6335879735.

The spelling of 223243775 in words is "two hundred twenty-three million, two hundred forty-three thousand, seven hundred seventy-five".