2322661621 has 8 divisors (see below), whose sum is σ = 2655221760. Its totient is φ = 1990289328.

The previous prime is 2322661573. The next prime is 2322661637. The reversal of 2322661621 is 1261662232.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2322661621 - 2⁷ = 2322661493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2322661661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19381 + ... + 70858.

It is an arithmetic number, because the mean of its divisors is an integer number (331902720).

Almost surely, 2^2322661621 is an apocalyptic number.

It is an amenable number.

2322661621 is a deficient number, since it is larger than the sum of its proper divisors (332560139).

2322661621 is an equidigital number, since it uses as much as digits as its factorization.

2322661621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93923.

The product of its digits is 10368, while the sum is 31.

The square root of 2322661621 is about 48193.9998443790. Note that the first 3 decimals coincide. The cubic root of 2322661621 is about 1324.3272476063.

The spelling of 2322661621 in words is "two billion, three hundred twenty-two million, six hundred sixty-one thousand, six hundred twenty-one".