201322434444 has 24 divisors (see below), whose sum is σ = 479747079168. Its totient is φ = 65679659280.

The previous prime is 201322434373. The next prime is 201322434451. The reversal of 201322434444 is 444434223102.

It is a super-2 number, since 2×201322434444² (a number of 23 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, 178476772 + ... + 178477899.

It is an arithmetic number, because the mean of its divisors is an integer number (19989461632).

Almost surely, 2^201322434444 is an apocalyptic number.

It is an amenable number.

201322434444 is an abundant number, since it is smaller than the sum of its proper divisors (278424644724).

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

201322434444 is a wasteful number, since it uses less digits than its factorization.

201322434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356954725 (or 356954723 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 201322434444 its reverse (444434223102), we get a palindrome (645756657546).

The spelling of 201322434444 in words is "two hundred one billion, three hundred twenty-two million, four hundred thirty-four thousand, four hundred forty-four".