223999992 has 40 divisors (see below), whose sum is σ = 627409200. Its totient is φ = 74666448.

The previous prime is 223999903. The next prime is 224000047. The reversal of 223999992 is 299999322.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 172192 + ... + 173487.

It is an arithmetic number, because the mean of its divisors is an integer number (15685230).

Almost surely, 2^223999992 is an apocalyptic number.

It is an amenable number.

223999992 is an abundant number, since it is smaller than the sum of its proper divisors (403409208).

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

223999992 is a wasteful number, since it uses less digits than its factorization.

223999992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345697 (or 345684 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 223999992 is about 14966.6292798345. The cubic root of 223999992 is about 607.3177871452.

The spelling of 223999992 in words is "two hundred twenty-three million, nine hundred ninety-nine thousand, nine hundred ninety-two".