223250455 has 4 divisors (see below), whose sum is σ = 267900552. Its totient is φ = 178600360.

The previous prime is 223250413. The next prime is 223250473. The reversal of 223250455 is 554052322.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 223250455 - 2¹¹ = 223248407 is a prime.

It is a super-3 number, since 3×223250455³ (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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22325041 + ... + 22325050.

It is an arithmetic number, because the mean of its divisors is an integer number (66975138).

Almost surely, 2^223250455 is an apocalyptic number.

223250455 is a deficient number, since it is larger than the sum of its proper divisors (44650097).

223250455 is an equidigital number, since it uses as much as digits as its factorization.

223250455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44650096.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 223250455 is about 14941.5680234706. The cubic root of 223250455 is about 606.6396385670.

The spelling of 223250455 in words is "two hundred twenty-three million, two hundred fifty thousand, four hundred fifty-five".