221067421404 has 48 divisors (see below), whose sum is σ = 517764360960. Its totient is φ = 73412444160.

The previous prime is 221067421403. The next prime is 221067421423. The reversal of 221067421404 is 404124760122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221067421403) 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, 3567324 + ... + 3628764.

It is an arithmetic number, because the mean of its divisors is an integer number (10786757520).

Almost surely, 2^221067421404 is an apocalyptic number.

It is an amenable number.

221067421404 is an abundant number, since it is smaller than the sum of its proper divisors (296696939556).

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

221067421404 is a wasteful number, since it uses less digits than its factorization.

221067421404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62570 (or 62568 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The spelling of 221067421404 in words is "two hundred twenty-one billion, sixty-seven million, four hundred twenty-one thousand, four hundred four".