221534407774104 has 32 divisors (see below), whose sum is σ = 553904504651520. Its totient is φ = 73835671229216.

The previous prime is 221534407774103. The next prime is 221534407774111. The reversal of 221534407774104 is 401477704435122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221534407774103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570512004 + ... + 570900179.

It is an arithmetic number, because the mean of its divisors is an integer number (17309515770360).

Almost surely, 2^{221534407774104} is an apocalyptic number.

221534407774104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221534407774104 is an abundant number, since it is smaller than the sum of its proper divisors (332370096877416).

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

221534407774104 is a wasteful number, since it uses less digits than its factorization.

221534407774104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141420279 (or 1141420275 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 221534407774104 in words is "two hundred twenty-one trillion, five hundred thirty-four billion, four hundred seven million, seven hundred seventy-four thousand, one hundred four".