2251510223 has 4 divisors (see below), whose sum is σ = 2263949688. Its totient is φ = 2239070760.

The previous prime is 2251510211. The next prime is 2251510237. The reversal of 2251510223 is 3220151522.

2251510223 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.

It is a cyclic number.

It is not a de Polignac number, because 2251510223 - 2⁶ = 2251510159 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 (2251510123) 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, 6219461 + ... + 6219822.

It is an arithmetic number, because the mean of its divisors is an integer number (565987422).

Almost surely, 2^2251510223 is an apocalyptic number.

2251510223 is a deficient number, since it is larger than the sum of its proper divisors (12439465).

2251510223 is a wasteful number, since it uses less digits than its factorization.

2251510223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12439464.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2251510223 is about 47450.0813803306. The cubic root of 2251510223 is about 1310.6638096031.

Adding to 2251510223 its reverse (3220151522), we get a palindrome (5471661745).

The spelling of 2251510223 in words is "two billion, two hundred fifty-one million, five hundred ten thousand, two hundred twenty-three".