221446875716 has 12 divisors (see below), whose sum is σ = 422762217360. Its totient is φ = 100657670760.

The previous prime is 221446875707. The next prime is 221446875731. The reversal of 221446875716 is 617578644122.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 2516441726 + ... + 2516441813.

It is an arithmetic number, because the mean of its divisors is an integer number (35230184780).

Almost surely, 2^221446875716 is an apocalyptic number.

It is an amenable number.

221446875716 is a deficient number, since it is larger than the sum of its proper divisors (201315341644).

221446875716 is a wasteful number, since it uses less digits than its factorization.

221446875716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032883554 (or 5032883552 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The spelling of 221446875716 in words is "two hundred twenty-one billion, four hundred forty-six million, eight hundred seventy-five thousand, seven hundred sixteen".