221032354445322 has 256 divisors, whose sum is σ = 544304539570176. Its totient is φ = 58407897600000.

The previous prime is 221032354445303. The next prime is 221032354445351. The reversal of 221032354445322 is 223544453230122.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4061499672 + ... + 4061554092.

It is an arithmetic number, because the mean of its divisors is an integer number (2126189607696).

Almost surely, 2^{221032354445322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221032354445322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272152269785088).

221032354445322 is an abundant number, since it is smaller than the sum of its proper divisors (323272185124854).

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

221032354445322 is a wasteful number, since it uses less digits than its factorization.

221032354445322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55005.

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 221032354445322 in words is "two hundred twenty-one trillion, thirty-two billion, three hundred fifty-four million, four hundred forty-five thousand, three hundred twenty-two".