201444223002 has 128 divisors (see below), whose sum is σ = 459458887680. Its totient is φ = 58328640000.

The previous prime is 201444222949. The next prime is 201444223003. The reversal of 201444223002 is 200322444102.

It is not an unprimeable number, because it can be changed into a prime (201444223003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53445774 + ... + 53449542.

It is an arithmetic number, because the mean of its divisors is an integer number (3589522560).

Almost surely, 2^201444223002 is an apocalyptic number.

201444223002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201444223002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229729443840).

201444223002 is an abundant number, since it is smaller than the sum of its proper divisors (258014664678).

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

201444223002 is a wasteful number, since it uses less digits than its factorization.

201444223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 201444223002 its reverse (200322444102), we get a palindrome (401766667104).

The spelling of 201444223002 in words is "two hundred one billion, four hundred forty-four million, two hundred twenty-three thousand, two".