221440443003 has 32 divisors (see below), whose sum is σ = 353349427200. Its totient is φ = 136250162208.

The previous prime is 221440442963. The next prime is 221440443019. The reversal of 221440443003 is 300344044122.

It is a happy number.

221440443003 is a `hidden beast` number, since 2 + 214 + 4 + 0 + 443 + 0 + 0 + 3 = 666.

221440443003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221440443003 - 2¹⁴ = 221440426619 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2425876 + ... + 2515502.

It is an arithmetic number, because the mean of its divisors is an integer number (11042169600).

Almost surely, 2^221440443003 is an apocalyptic number.

221440443003 is a deficient number, since it is larger than the sum of its proper divisors (131908984197).

221440443003 is a wasteful number, since it uses less digits than its factorization.

221440443003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96688 (or 96682 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 221440443003 its reverse (300344044122), we get a palindrome (521784487125).

The spelling of 221440443003 in words is "two hundred twenty-one billion, four hundred forty million, four hundred forty-three thousand, three".