2322641621 has 4 divisors (see below), whose sum is σ = 2327372544. Its totient is φ = 2317910700.

The previous prime is 2322641599. The next prime is 2322641653. The reversal of 2322641621 is 1261462232.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2322641621 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322641221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2364725 + ... + 2365706.

It is an arithmetic number, because the mean of its divisors is an integer number (581843136).

Almost surely, 2^2322641621 is an apocalyptic number.

It is an amenable number.

2322641621 is a deficient number, since it is larger than the sum of its proper divisors (4730923).

2322641621 is an equidigital number, since it uses as much as digits as its factorization.

2322641621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4730922.

The product of its digits is 6912, while the sum is 29.

The square root of 2322641621 is about 48193.7923492227. The cubic root of 2322641621 is about 1324.3234464182.

The spelling of 2322641621 in words is "two billion, three hundred twenty-two million, six hundred forty-one thousand, six hundred twenty-one".