221440443022 has 8 divisors (see below), whose sum is σ = 333995806872. Its totient is φ = 110108507400.

The previous prime is 221440443019. The next prime is 221440443023. The reversal of 221440443022 is 220344044122.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221440443023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305856604 + ... + 305857327.

It is an arithmetic number, because the mean of its divisors is an integer number (41749475859).

Almost surely, 2^221440443022 is an apocalyptic number.

221440443022 is a deficient number, since it is larger than the sum of its proper divisors (112555363850).

221440443022 is a wasteful number, since it uses less digits than its factorization.

221440443022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611714114.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 221440443022 its reverse (220344044122), we get a palindrome (441784487144).

The spelling of 221440443022 in words is "two hundred twenty-one billion, four hundred forty million, four hundred forty-three thousand, twenty-two".