2329220643 has 24 divisors (see below), whose sum is σ = 3319018752. Its totient is φ = 1452630144.

The previous prime is 2329220639. The next prime is 2329220653. The reversal of 2329220643 is 3460229232.

It is a happy number.

It is a Cunningham number, because it is equal to 48262²-1.

It is not a de Polignac number, because 2329220643 - 2² = 2329220639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2329220653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136746 + ... + 152832.

It is an arithmetic number, because the mean of its divisors is an integer number (138292448).

Almost surely, 2^2329220643 is an apocalyptic number.

2329220643 is a deficient number, since it is larger than the sum of its proper divisors (989798109).

2329220643 is a wasteful number, since it uses less digits than its factorization.

2329220643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16291 (or 16274 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 2329220643 is about 48261.9999896399. Note that the first 4 decimals coincide. The cubic root of 2329220643 is about 1325.5726762414.

Adding to 2329220643 its reverse (3460229232), we get a palindrome (5789449875).

The spelling of 2329220643 in words is "two billion, three hundred twenty-nine million, two hundred twenty thousand, six hundred forty-three".