2273001660 has 144 divisors (see below), whose sum is σ = 7329958272. Its totient is φ = 568166400.

The previous prime is 2273001659. The next prime is 2273001671. The reversal of 2273001660 is 661003722.

It is a happy number.

2273001660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827890 + ... + 830630.

It is an arithmetic number, because the mean of its divisors is an integer number (50902488).

Almost surely, 2^2273001660 is an apocalyptic number.

2273001660 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 2273001660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3664979136).

2273001660 is an abundant number, since it is smaller than the sum of its proper divisors (5056956612).

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

2273001660 is a wasteful number, since it uses less digits than its factorization.

2273001660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3044 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 2273001660 is about 47676.0071734200. The cubic root of 2273001660 is about 1314.8208558555.

The spelling of 2273001660 in words is "two billion, two hundred seventy-three million, one thousand, six hundred sixty".