223892640 has 96 divisors (see below), whose sum is σ = 783639360. Its totient is φ = 59703552.

The previous prime is 223892629. The next prime is 223892653. The reversal of 223892640 is 46298322.

223892640 is a `hidden beast` number, since 2 + 2 + 3 + 8 + 9 + 2 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 223892595 and 223892604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21594 + ... + 30233.

It is an arithmetic number, because the mean of its divisors is an integer number (8162910).

Almost surely, 2^223892640 is an apocalyptic number.

223892640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223892640 is an abundant number, since it is smaller than the sum of its proper divisors (559746720).

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

223892640 is a wasteful number, since it uses less digits than its factorization.

223892640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51851 (or 51837 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 223892640 is about 14963.0424713693. The cubic root of 223892640 is about 607.2207526223.

The spelling of 223892640 in words is "two hundred twenty-three million, eight hundred ninety-two thousand, six hundred forty".