240221223 has 24 divisors (see below), whose sum is σ = 394992000. Its totient is φ = 139257360.

The previous prime is 240221167. The next prime is 240221243. The reversal of 240221223 is 322122042.

It is not a de Polignac number, because 240221223 - 2⁶ = 240221159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240221196 and 240221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240221243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50473 + ... + 55026.

It is an arithmetic number, because the mean of its divisors is an integer number (16458000).

Almost surely, 2^240221223 is an apocalyptic number.

240221223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

240221223 is a deficient number, since it is larger than the sum of its proper divisors (154770777).

240221223 is a wasteful number, since it uses less digits than its factorization.

240221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105539 (or 105536 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240221223 is about 15499.0716818782. The cubic root of 240221223 is about 621.6373845799.

Adding to 240221223 its reverse (322122042), we get a palindrome (562343265).

The spelling of 240221223 in words is "two hundred forty million, two hundred twenty-one thousand, two hundred twenty-three".