221083446732 has 48 divisors (see below), whose sum is σ = 519656067840. Its totient is φ = 73153482048.

The previous prime is 221083446721. The next prime is 221083446737. The reversal of 221083446732 is 237644380122.

It is not an unprimeable number, because it can be changed into a prime (221083446737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1553353 + ... + 1689695.

It is an arithmetic number, because the mean of its divisors is an integer number (10826168080).

Almost surely, 2^221083446732 is an apocalyptic number.

It is an amenable number.

221083446732 is an abundant number, since it is smaller than the sum of its proper divisors (298572621108).

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

221083446732 is a wasteful number, since it uses less digits than its factorization.

221083446732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137342 (or 137340 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The spelling of 221083446732 in words is "two hundred twenty-one billion, eighty-three million, four hundred forty-six thousand, seven hundred thirty-two".