2243203453 has 4 divisors (see below), whose sum is σ = 2243348640. Its totient is φ = 2243058268.

The previous prime is 2243203427. The next prime is 2243203471. The reversal of 2243203453 is 3543023422.

2243203453 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 2243203453 - 2¹³ = 2243195261 is a prime.

It is a super-2 number, since 2×2243203453² = 10063923463102246418, 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 (2243203153) 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, 46225 + ... + 81382.

It is an arithmetic number, because the mean of its divisors is an integer number (560837160).

Almost surely, 2^2243203453 is an apocalyptic number.

It is an amenable number.

2243203453 is a deficient number, since it is larger than the sum of its proper divisors (145187).

2243203453 is a wasteful number, since it uses less digits than its factorization.

2243203453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145186.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 2243203453 is about 47362.4688228982. The cubic root of 2243203453 is about 1309.0499595459.

Adding to 2243203453 its reverse (3543023422), we get a palindrome (5786226875).

The spelling of 2243203453 in words is "two billion, two hundred forty-three million, two hundred three thousand, four hundred fifty-three".