221041244322 has 24 divisors (see below), whose sum is σ = 490060434864. Its totient is φ = 71966916504.

The previous prime is 221041244297. The next prime is 221041244327. The reversal of 221041244322 is 223442140122.

It is a happy number.

221041244322 is a `hidden beast` number, since 2 + 2 + 104 + 124 + 432 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (221041244327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142790728 + ... + 142792275.

It is an arithmetic number, because the mean of its divisors is an integer number (20419184786).

Almost surely, 2^221041244322 is an apocalyptic number.

221041244322 is an abundant number, since it is smaller than the sum of its proper divisors (269019190542).

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

221041244322 is a wasteful number, since it uses less digits than its factorization.

221041244322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285583054 (or 285583051 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221041244322 its reverse (223442140122), we get a palindrome (444483384444).

The spelling of 221041244322 in words is "two hundred twenty-one billion, forty-one million, two hundred forty-four thousand, three hundred twenty-two".