2231366432 has 12 divisors (see below), whose sum is σ = 4393002726. Its totient is φ = 1115683200.

The previous prime is 2231366393. The next prime is 2231366443. The reversal of 2231366432 is 2346631322.

It can be written as a sum of positive squares in only one way, i.e., 2231239696 + 126736 = 47236^2 + 356^2 .

It is a super-3 number, since 3×2231366432³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 69730201 = 2231366432 / (2 + 2 + 3 + 1 + 3 + 6 + 6 + 4 + 3 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34865069 + ... + 34865132.

Almost surely, 2^2231366432 is an apocalyptic number.

It is an amenable number.

2231366432 is a deficient number, since it is larger than the sum of its proper divisors (2161636294).

2231366432 is an equidigital number, since it uses as much as digits as its factorization.

2231366432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69730211 (or 69730203 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 2231366432 is about 47237.3415001310. The cubic root of 2231366432 is about 1306.7433494263.

Adding to 2231366432 its reverse (2346631322), we get a palindrome (4577997754).

The spelling of 2231366432 in words is "two billion, two hundred thirty-one million, three hundred sixty-six thousand, four hundred thirty-two".