2372558484221 has 4 divisors (see below), whose sum is σ = 2373602286972. Its totient is φ = 2371514681472.

The previous prime is 2372558484199. The next prime is 2372558484239. The reversal of 2372558484221 is 1224848552732.

2372558484221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2238704212900 + 133854271321 = 1496230^2 + 365861^2 .

It is a cyclic number.

It is not a de Polignac number, because 2372558484221 - 2³⁰ = 2371484742397 is a prime.

It is a super-2 number, since 2×2372558484221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2372558484281) 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, 521897966 + ... + 521902511.

It is an arithmetic number, because the mean of its divisors is an integer number (593400571743).

Almost surely, 2^{2372558484221} is an apocalyptic number.

It is an amenable number.

2372558484221 is a deficient number, since it is larger than the sum of its proper divisors (1043802751).

2372558484221 is a wasteful number, since it uses less digits than its factorization.

2372558484221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043802750.

The product of its digits is 8601600, while the sum is 53.

The spelling of 2372558484221 in words is "two trillion, three hundred seventy-two billion, five hundred fifty-eight million, four hundred eighty-four thousand, two hundred twenty-one".