2201323000 has 64 divisors (see below), whose sum is σ = 5158501920. Its totient is φ = 879264000.

The previous prime is 2201322997. The next prime is 2201323001. The reversal of 2201323000 is 3231022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201323001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1031935 + ... + 1034065.

Almost surely, 2^2201323000 is an apocalyptic number.

2201323000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2201323000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2579250960).

2201323000 is an abundant number, since it is smaller than the sum of its proper divisors (2957178920).

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

2201323000 is a wasteful number, since it uses less digits than its factorization.

2201323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 2201323000 is about 46918.2587059665. The cubic root of 2201323000 is about 1300.8521040757.

Adding to 2201323000 its reverse (3231022), we get a palindrome (2204554022).

The spelling of 2201323000 in words is "two billion, two hundred one million, three hundred twenty-three thousand".