221432001000324 has 96 divisors (see below), whose sum is σ = 542155699814400. Its totient is φ = 70249523011200.

The previous prime is 221432001000307. The next prime is 221432001000347. The reversal of 221432001000324 is 423000100234122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221432001000294 and 221432001000303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174163077 + ... + 175429875.

It is an arithmetic number, because the mean of its divisors is an integer number (5647455206400).

Almost surely, 2^{221432001000324} is an apocalyptic number.

It is an amenable number.

221432001000324 is an abundant number, since it is smaller than the sum of its proper divisors (320723698814076).

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

221432001000324 is a wasteful number, since it uses less digits than its factorization.

221432001000324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274601 (or 1274599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 221432001000324 its reverse (423000100234122), we get a palindrome (644432101234446).

The spelling of 221432001000324 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, one million, three hundred twenty-four", and thus it is an aban number.