221230223233340 has 24 divisors (see below), whose sum is σ = 464602808910240. Its totient is φ = 88488405460928.

The previous prime is 221230223233309. The next prime is 221230223233367. The reversal of 221230223233340 is 43332322032122.

It is a happy number.

221230223233340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 221230223233297 and 221230223233306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229747055 + ... + 230707974.

It is an arithmetic number, because the mean of its divisors is an integer number (19358450371260).

Almost surely, 2^{221230223233340} is an apocalyptic number.

221230223233340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221230223233340 is an abundant number, since it is smaller than the sum of its proper divisors (243372585676900).

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

221230223233340 is a wasteful number, since it uses less digits than its factorization.

221230223233340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460479061 (or 460479059 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 221230223233340 its reverse (43332322032122), we get a palindrome (264562545265462).

The spelling of 221230223233340 in words is "two hundred twenty-one trillion, two hundred thirty billion, two hundred twenty-three million, two hundred thirty-three thousand, three hundred forty".