223921885 has 8 divisors (see below), whose sum is σ = 293134176. Its totient is φ = 162852240.

The previous prime is 223921877. The next prime is 223921889. The reversal of 223921885 is 588129322.

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

It is not a de Polignac number, because 223921885 - 2³ = 223921877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223921889) 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, 2035599 + ... + 2035708.

It is an arithmetic number, because the mean of its divisors is an integer number (36641772).

Almost surely, 2^223921885 is an apocalyptic number.

It is an amenable number.

223921885 is a deficient number, since it is larger than the sum of its proper divisors (69212291).

223921885 is a wasteful number, since it uses less digits than its factorization.

223921885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4071323.

The product of its digits is 69120, while the sum is 40.

The square root of 223921885 is about 14964.0196805538. The cubic root of 223921885 is about 607.2471899924.

The spelling of 223921885 in words is "two hundred twenty-three million, nine hundred twenty-one thousand, eight hundred eighty-five".