2253473221 has 4 divisors (see below), whose sum is σ = 2258560512. Its totient is φ = 2248385932.

The previous prime is 2253473219. The next prime is 2253473269. The reversal of 2253473221 is 1223743522.

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 2253473221 - 2¹ = 2253473219 is a prime.

It is a super-2 number, since 2×2253473221² = 10156283115528229682, which 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 (2253473291) 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 3 ways as a sum of consecutive naturals, for example, 2542981 + ... + 2543866.

It is an arithmetic number, because the mean of its divisors is an integer number (564640128).

Almost surely, 2^2253473221 is an apocalyptic number.

It is an amenable number.

2253473221 is a deficient number, since it is larger than the sum of its proper divisors (5087291).

2253473221 is an equidigital number, since it uses as much as digits as its factorization.

2253473221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087290.

The product of its digits is 20160, while the sum is 31.

The square root of 2253473221 is about 47470.7617486806. The cubic root of 2253473221 is about 1311.0446033563.

The spelling of 2253473221 in words is "two billion, two hundred fifty-three million, four hundred seventy-three thousand, two hundred twenty-one".