223317040 has 20 divisors (see below), whose sum is σ = 519212304. Its totient is φ = 89326784.

The previous prime is 223317011. The next prime is 223317043. The reversal of 223317040 is 40713322.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (223317043) by changing a digit.

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, 1395652 + ... + 1395811.

Almost surely, 2^223317040 is an apocalyptic number.

223317040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223317040 is an abundant number, since it is smaller than the sum of its proper divisors (295895264).

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

223317040 is a wasteful number, since it uses less digits than its factorization.

223317040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791476 (or 2791470 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 223317040 is about 14943.7960371520. The cubic root of 223317040 is about 606.6999431626.

The spelling of 223317040 in words is "two hundred twenty-three million, three hundred seventeen thousand, forty".