221432383234122 has 16 divisors (see below), whose sum is σ = 443224526650752. Its totient is φ = 73750834380960.

The previous prime is 221432383234087. The next prime is 221432383234141.

221432383234122 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×221432383234122² (a number of 29 digits) contains 22 as substring.

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, 14989999603 + ... + 14990014374.

It is an arithmetic number, because the mean of its divisors is an integer number (27701532915672).

Almost surely, 2^{221432383234122} is an apocalyptic number.

221432383234122 is an abundant number, since it is smaller than the sum of its proper divisors (221792143416630).

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

221432383234122 is a wasteful number, since it uses less digits than its factorization.

221432383234122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29980015213.

The product of its digits is 663552, while the sum is 42.

The spelling of 221432383234122 in words is "two hundred twenty-one trillion, four hundred thirty-two billion, three hundred eighty-three million, two hundred thirty-four thousand, one hundred twenty-two".