221545352314704 has 40 divisors (see below), whose sum is σ = 624355083797472. Its totient is φ = 67134955246720.

The previous prime is 221545352314651. The next prime is 221545352314709. The reversal of 221545352314704 is 407413253545122.

221545352314704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221545352314709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209796734619 + ... + 209796735674.

Almost surely, 2^{221545352314704} is an apocalyptic number.

221545352314704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

221545352314704 is an abundant number, since it is smaller than the sum of its proper divisors (402809731482768).

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

221545352314704 is a wasteful number, since it uses less digits than its factorization.

221545352314704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419593470315 (or 419593470309 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 48.

The spelling of 221545352314704 in words is "two hundred twenty-one trillion, five hundred forty-five billion, three hundred fifty-two million, three hundred fourteen thousand, seven hundred four".