2143226436 has 48 divisors (see below), whose sum is σ = 5388601344. Its totient is φ = 659079936.

The previous prime is 2143226413. The next prime is 2143226441. The reversal of 2143226436 is 6346223412.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2143226397 and 2143226406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416616 + ... + 421728.

It is an arithmetic number, because the mean of its divisors is an integer number (112262528).

Almost surely, 2^2143226436 is an apocalyptic number.

2143226436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2143226436 is an abundant number, since it is smaller than the sum of its proper divisors (3245374908).

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

2143226436 is a wasteful number, since it uses less digits than its factorization.

2143226436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7820 (or 7818 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 2143226436 is about 46294.9936386214. The cubic root of 2143226436 is about 1289.3060458404.

Adding to 2143226436 its reverse (6346223412), we get a palindrome (8489449848).

The spelling of 2143226436 in words is "two billion, one hundred forty-three million, two hundred twenty-six thousand, four hundred thirty-six".