2231164244 has 6 divisors (see below), whose sum is σ = 3904537434. Its totient is φ = 1115582120.

The previous prime is 2231164193. The next prime is 2231164249. The reversal of 2231164244 is 4424611322.

It can be written as a sum of positive squares in only one way, i.e., 1619096644 + 612067600 = 40238^2 + 24740^2 .

It is a super-3 number, since 3×2231164244³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231164249) by changing a digit.

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, 278895527 + ... + 278895534.

It is an arithmetic number, because the mean of its divisors is an integer number (650756239).

Almost surely, 2^2231164244 is an apocalyptic number.

It is an amenable number.

2231164244 is a deficient number, since it is larger than the sum of its proper divisors (1673373190).

2231164244 is a wasteful number, since it uses less digits than its factorization.

2231164244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557791065 (or 557791063 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 2231164244 is about 47235.2013227423. The cubic root of 2231164244 is about 1306.7038794703.

Adding to 2231164244 its reverse (4424611322), we get a palindrome (6655775566).

The spelling of 2231164244 in words is "two billion, two hundred thirty-one million, one hundred sixty-four thousand, two hundred forty-four".