223441240 has 32 divisors (see below), whose sum is σ = 548447760. Its totient is φ = 81251200.

The previous prime is 223441237. The next prime is 223441271. The reversal of 223441240 is 42144322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 7 ways as a sum of consecutive naturals, for example, 253471 + ... + 254350.

Almost surely, 2^223441240 is an apocalyptic number.

223441240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223441240 is an abundant number, since it is smaller than the sum of its proper divisors (325006520).

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

223441240 is a wasteful number, since it uses less digits than its factorization.

223441240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507843 (or 507839 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223441240 is about 14947.9510301579. The cubic root of 223441240 is about 606.8123963934.

Adding to 223441240 its reverse (42144322), we get a palindrome (265585562).

The spelling of 223441240 in words is "two hundred twenty-three million, four hundred forty-one thousand, two hundred forty".