2235221453 has 4 divisors (see below), whose sum is σ = 2235458208. Its totient is φ = 2234984700.

The previous prime is 2235221423. The next prime is 2235221519. The reversal of 2235221453 is 3541225322.

2235221453 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 2235221453 - 2³⁰ = 1161479629 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 (2235221423) 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, 103601 + ... + 123302.

It is an arithmetic number, because the mean of its divisors is an integer number (558864552).

Almost surely, 2^2235221453 is an apocalyptic number.

It is an amenable number.

2235221453 is a deficient number, since it is larger than the sum of its proper divisors (236755).

2235221453 is an equidigital number, since it uses as much as digits as its factorization.

2235221453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236754.

The product of its digits is 14400, while the sum is 29.

The square root of 2235221453 is about 47278.1286960472. The cubic root of 2235221453 is about 1307.4954483400.

Adding to 2235221453 its reverse (3541225322), we get a palindrome (5776446775).

The spelling of 2235221453 in words is "two billion, two hundred thirty-five million, two hundred twenty-one thousand, four hundred fifty-three".