222416545421 has 32 divisors (see below), whose sum is σ = 266807623680. Its totient is φ = 181390507200.

The previous prime is 222416545397. The next prime is 222416545423. The reversal of 222416545421 is 124545614222.

222416545421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-222416545421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222416545423) 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, 4121906 + ... + 4175516.

It is an arithmetic number, because the mean of its divisors is an integer number (8337738240).

Almost surely, 2^222416545421 is an apocalyptic number.

It is an amenable number.

222416545421 is a deficient number, since it is larger than the sum of its proper divisors (44391078259).

222416545421 is a wasteful number, since it uses less digits than its factorization.

222416545421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53945.

The product of its digits is 153600, while the sum is 38.

The spelling of 222416545421 in words is "two hundred twenty-two billion, four hundred sixteen million, five hundred forty-five thousand, four hundred twenty-one".