2223131500 has 48 divisors (see below), whose sum is σ = 4872905856. Its totient is φ = 886032000.

The previous prime is 2223131473. The next prime is 2223131507. The reversal of 2223131500 is 51313222.

It is not an unprimeable number, because it can be changed into a prime (2223131507) 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, 132589 + ... + 148411.

It is an arithmetic number, because the mean of its divisors is an integer number (101518872).

Almost surely, 2^2223131500 is an apocalyptic number.

2223131500 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 2223131500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2436452928).

2223131500 is an abundant number, since it is smaller than the sum of its proper divisors (2649774356).

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

2223131500 is a wasteful number, since it uses less digits than its factorization.

2223131500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16123 (or 16111 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2223131500 is about 47150.0954399882. The cubic root of 2223131500 is about 1305.1338412269.

Adding to 2223131500 its reverse (51313222), we get a palindrome (2274444722).

The spelling of 2223131500 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, five hundred".