221403044022 has 16 divisors (see below), whose sum is σ = 443087969472. Its totient is φ = 73754034440.

The previous prime is 221403043997. The next prime is 221403044033. The reversal of 221403044022 is 220440304122.

221403044022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221403043983 and 221403044001.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11734848 + ... + 11753699.

It is an arithmetic number, because the mean of its divisors is an integer number (27692998092).

Almost surely, 2^221403044022 is an apocalyptic number.

221403044022 is an abundant number, since it is smaller than the sum of its proper divisors (221684925450).

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

221403044022 is a wasteful number, since it uses less digits than its factorization.

221403044022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23490123.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 221403044022 its reverse (220440304122), we get a palindrome (441843348144).

The spelling of 221403044022 in words is "two hundred twenty-one billion, four hundred three million, forty-four thousand, twenty-two".