2231364644 has 12 divisors (see below), whose sum is σ = 3905628300. Its totient is φ = 1115470848.

The previous prime is 2231364581. The next prime is 2231364659. The reversal of 2231364644 is 4464631322.

It can be written as a sum of positive squares in 2 ways, for example, as 160022500 + 2071342144 = 12650^2 + 45512^2 .

It is a super-3 number, since 3×2231364644³ (a number of 29 digits) contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 27809 + ... + 72360.

It is an arithmetic number, because the mean of its divisors is an integer number (325469025).

Almost surely, 2^2231364644 is an apocalyptic number.

It is an amenable number.

2231364644 is a deficient number, since it is larger than the sum of its proper divisors (1674263656).

2231364644 is a wasteful number, since it uses less digits than its factorization.

2231364644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105742 (or 105740 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 2231364644 is about 47237.3225744220. The cubic root of 2231364644 is about 1306.7430003939.

Adding to 2231364644 its reverse (4464631322), we get a palindrome (6695995966).

The spelling of 2231364644 in words is "two billion, two hundred thirty-one million, three hundred sixty-four thousand, six hundred forty-four".