2231372196 has 36 divisors (see below), whose sum is σ = 5972203692. Its totient is φ = 700038144.

The previous prime is 2231372183. The next prime is 2231372197. The reversal of 2231372196 is 6912731322.

It can be written as a sum of positive squares in 2 ways, for example, as 1895383296 + 335988900 = 43536^2 + 18330^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×2231372196³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2231372196.

It is not an unprimeable number, because it can be changed into a prime (2231372197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1822405 + ... + 1823628.

It is an arithmetic number, because the mean of its divisors is an integer number (165894547).

Almost surely, 2^2231372196 is an apocalyptic number.

It is an amenable number.

2231372196 is an abundant number, since it is smaller than the sum of its proper divisors (3740831496).

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

2231372196 is a wasteful number, since it uses less digits than its factorization.

2231372196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646060 (or 3646055 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 2231372196 is about 47237.4025111458. The cubic root of 2231372196 is about 1306.7444746057.

The spelling of 2231372196 in words is "two billion, two hundred thirty-one million, three hundred seventy-two thousand, one hundred ninety-six".