2243064321 has 9 divisors (see below), whose sum is σ = 3240187041. Its totient is φ = 1495281492.

The previous prime is 2243064319. The next prime is 2243064359. The reversal of 2243064321 is 1234603422.

The square root of 2243064321 is 47361.

It is a perfect power (a square), and thus also a powerful number.

2243064321 is a `hidden beast` number, since 224 + 3 + 0 + 6 + 432 + 1 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2243064321 - 2¹ = 2243064319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243064521) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 134190 + ... + 149976.

Almost surely, 2^2243064321 is an apocalyptic number.

2243064321 is the 47361-st square number.

2243064321 is the 23681-st centered octagonal number.

It is an amenable number.

2243064321 is a deficient number, since it is larger than the sum of its proper divisors (997122720).

2243064321 is an frugal number, since it uses more digits than its factorization.

2243064321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31580 (or 15790 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The cubic root of 2243064321 is about 1309.0228949025.

Adding to 2243064321 its reverse (1234603422), we get a palindrome (3477667743).

The spelling of 2243064321 in words is "two billion, two hundred forty-three million, sixty-four thousand, three hundred twenty-one".