2321225621 has 8 divisors (see below), whose sum is σ = 2727034464. Its totient is φ = 1947881520.

The previous prime is 2321225591. The next prime is 2321225633. The reversal of 2321225621 is 1265221232.

2321225621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2321225621 - 2¹⁴ = 2321209237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321225651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8116031 + ... + 8116316.

It is an arithmetic number, because the mean of its divisors is an integer number (340879308).

Almost surely, 2^2321225621 is an apocalyptic number.

It is an amenable number.

2321225621 is a deficient number, since it is larger than the sum of its proper divisors (405808843).

2321225621 is a wasteful number, since it uses less digits than its factorization.

2321225621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16232371.

The product of its digits is 2880, while the sum is 26.

The square root of 2321225621 is about 48179.0994208069. The cubic root of 2321225621 is about 1324.0542668207.

Adding to 2321225621 its reverse (1265221232), we get a palindrome (3586446853).

The spelling of 2321225621 in words is "two billion, three hundred twenty-one million, two hundred twenty-five thousand, six hundred twenty-one".