2201023188 has 144 divisors (see below), whose sum is σ = 7068845056. Its totient is φ = 561738240.

The previous prime is 2201023177. The next prime is 2201023189. The reversal of 2201023188 is 8813201022.

It is a super-2 number, since 2×2201023188² = 9689006148227366688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201023189) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90720 + ... + 112392.

Almost surely, 2^2201023188 is an apocalyptic number.

2201023188 is a gapful number since it is divisible by the number (28) 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 2201023188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3534422528).

2201023188 is an abundant number, since it is smaller than the sum of its proper divisors (4867821868).

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

2201023188 is a wasteful number, since it uses less digits than its factorization.

2201023188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734 (or 21729 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2201023188 is about 46915.0635510600. The cubic root of 2201023188 is about 1300.7930443227.

The spelling of 2201023188 in words is "two billion, two hundred one million, twenty-three thousand, one hundred eighty-eight".