240221441 has 8 divisors (see below), whose sum is σ = 256823424. Its totient is φ = 223894080.

The previous prime is 240221431. The next prime is 240221447. The reversal of 240221441 is 144122042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240221441 - 2¹⁸ = 239959297 is a prime.

It is a super-2 number, since 2×240221441² = 115412681432232962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240221447) 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 7 ways as a sum of consecutive naturals, for example, 66845 + ... + 70346.

It is an arithmetic number, because the mean of its divisors is an integer number (32102928).

Almost surely, 2^240221441 is an apocalyptic number.

It is an amenable number.

240221441 is a deficient number, since it is larger than the sum of its proper divisors (16601983).

240221441 is a wasteful number, since it uses less digits than its factorization.

240221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137311.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 240221441 is about 15499.0787145559. The cubic root of 240221441 is about 621.6375726245.

Adding to 240221441 its reverse (144122042), we get a palindrome (384343483).

The spelling of 240221441 in words is "two hundred forty million, two hundred twenty-one thousand, four hundred forty-one".