221303132322 has 64 divisors (see below), whose sum is σ = 456684877440. Its totient is φ = 71465472000.

The previous prime is 221303132299. The next prime is 221303132329. The reversal of 221303132322 is 223231303122.

It is a super-2 number, since 2×221303132322² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221303132292 and 221303132301.

It is not an unprimeable number, because it can be changed into a prime (221303132329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7118929 + ... + 7149947.

It is an arithmetic number, because the mean of its divisors is an integer number (7135701210).

Almost surely, 2^221303132322 is an apocalyptic number.

221303132322 is an abundant number, since it is smaller than the sum of its proper divisors (235381745118).

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

221303132322 is a wasteful number, since it uses less digits than its factorization.

221303132322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31379.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 221303132322 its reverse (223231303122), we get a palindrome (444534435444).

The spelling of 221303132322 in words is "two hundred twenty-one billion, three hundred three million, one hundred thirty-two thousand, three hundred twenty-two".