221300214444 has 36 divisors (see below), whose sum is σ = 561162454944. Its totient is φ = 73534031712.

The previous prime is 221300214427. The next prime is 221300214461. The reversal of 221300214444 is 444412003122.

221300214444 is a `hidden beast` number, since 2 + 2 + 1 + 3 + 0 + 0 + 214 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (221300214427) and next prime (221300214461).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9684532 + ... + 9707355.

Almost surely, 2^221300214444 is an apocalyptic number.

It is an amenable number.

221300214444 is an abundant number, since it is smaller than the sum of its proper divisors (339862240500).

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

221300214444 is a wasteful number, since it uses less digits than its factorization.

221300214444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392214 (or 19392209 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221300214444 its reverse (444412003122), we get a palindrome (665712217566).

The spelling of 221300214444 in words is "two hundred twenty-one billion, three hundred million, two hundred fourteen thousand, four hundred forty-four".