2243251533 has 4 divisors (see below), whose sum is σ = 2991002048. Its totient is φ = 1495501020.

The previous prime is 2243251519. The next prime is 2243251547. The reversal of 2243251533 is 3351523422.

2243251533 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 an interprime number because it is at equal distance from previous prime (2243251519) and next prime (2243251547).

It is not a de Polignac number, because 2243251533 - 2¹⁷ = 2243120461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2243251533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243251513) 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, 373875253 + ... + 373875258.

It is an arithmetic number, because the mean of its divisors is an integer number (747750512).

Almost surely, 2^2243251533 is an apocalyptic number.

It is an amenable number.

2243251533 is a deficient number, since it is larger than the sum of its proper divisors (747750515).

2243251533 is an equidigital number, since it uses as much as digits as its factorization.

2243251533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747750514.

The product of its digits is 21600, while the sum is 30.

The square root of 2243251533 is about 47362.9763950704. The cubic root of 2243251533 is about 1309.0593120447.

Adding to 2243251533 its reverse (3351523422), we get a palindrome (5594774955).

The spelling of 2243251533 in words is "two billion, two hundred forty-three million, two hundred fifty-one thousand, five hundred thirty-three".