221468067480 has 64 divisors (see below), whose sum is σ = 724804588800. Its totient is φ = 53689228160.

The previous prime is 221468067433. The next prime is 221468067487. The reversal of 221468067480 is 84760864122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221468067487) 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, 83888100 + ... + 83890739.

It is an arithmetic number, because the mean of its divisors is an integer number (11325071700).

Almost surely, 2^221468067480 is an apocalyptic number.

221468067480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221468067480 is an abundant number, since it is smaller than the sum of its proper divisors (503336521320).

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

221468067480 is a wasteful number, since it uses less digits than its factorization.

221468067480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167778864 (or 167778860 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The spelling of 221468067480 in words is "two hundred twenty-one billion, four hundred sixty-eight million, sixty-seven thousand, four hundred eighty".