221225940180884 has 48 divisors (see below), whose sum is σ = 414262099204800. Its totient is φ = 103071964720896.

The previous prime is 221225940180851. The next prime is 221225940180901. The reversal of 221225940180884 is 488081049522122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96329354 + ... + 98599169.

It is an arithmetic number, because the mean of its divisors is an integer number (8630460400100).

Almost surely, 2^{221225940180884} is an apocalyptic number.

It is an amenable number.

221225940180884 is a deficient number, since it is larger than the sum of its proper divisors (193036159023916).

221225940180884 is a wasteful number, since it uses less digits than its factorization.

221225940180884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194928792 (or 194928790 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 56.

The spelling of 221225940180884 in words is "two hundred twenty-one trillion, two hundred twenty-five billion, nine hundred forty million, one hundred eighty thousand, eight hundred eighty-four".