2232321643 has 2 divisors, whose sum is σ = 2232321644. Its totient is φ = 2232321642.

The previous prime is 2232321583. The next prime is 2232321673. The reversal of 2232321643 is 3461232322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2232321643 is a prime.

It is a super-3 number, since 3×2232321643³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2232321673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116160821 + 1116160822.

It is an arithmetic number, because the mean of its divisors is an integer number (1116160822).

Almost surely, 2^2232321643 is an apocalyptic number.

2232321643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232321643 is an equidigital number, since it uses as much as digits as its factorization.

2232321643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 28.

The square root of 2232321643 is about 47247.4511799314. The cubic root of 2232321643 is about 1306.9297878843.

Adding to 2232321643 its reverse (3461232322), we get a palindrome (5693553965).

The spelling of 2232321643 in words is "two billion, two hundred thirty-two million, three hundred twenty-one thousand, six hundred forty-three".