2253220032221 has 4 divisors (see below), whose sum is σ = 2253244140672. Its totient is φ = 2253195923772.

The previous prime is 2253220032197. The next prime is 2253220032253. The reversal of 2253220032221 is 1222300223522.

2253220032221 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2253220032221 - 2³⁰ = 2252146290397 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 (2253220032521) 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, 11913485 + ... + 12101138.

It is an arithmetic number, because the mean of its divisors is an integer number (563311035168).

Almost surely, 2^{2253220032221} is an apocalyptic number.

It is an amenable number.

2253220032221 is a deficient number, since it is larger than the sum of its proper divisors (24108451).

2253220032221 is an equidigital number, since it uses as much as digits as its factorization.

2253220032221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24108450.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 2253220032221 its reverse (1222300223522), we get a palindrome (3475520255743).

The spelling of 2253220032221 in words is "two trillion, two hundred fifty-three billion, two hundred twenty million, thirty-two thousand, two hundred twenty-one".