2250838249 has 27 divisors (see below), whose sum is σ = 2622682461. Its totient is φ = 1929981240.

The previous prime is 2250838243. The next prime is 2250838283. The reversal of 2250838249 is 9428380522.

The square root of 2250838249 is 47443.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2250838249 - 2³ = 2250838241 is a prime.

It is a super-2 number, since 2×2250838249² = 10132545646322772002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2250838241) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9915474 + ... + 9915700.

Almost surely, 2^2250838249 is an apocalyptic number.

2250838249 is the 47443-rd square number.

2250838249 is the 23722-nd centered octagonal number.

It is an amenable number.

2250838249 is a deficient number, since it is larger than the sum of its proper divisors (371844212).

2250838249 is an equidigital number, since it uses as much as digits as its factorization.

2250838249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The cubic root of 2250838249 is about 1310.5334053337.

It can be divided in two parts, 225083 and 8249, that added together give a palindrome (233332).

The spelling of 2250838249 in words is "two billion, two hundred fifty million, eight hundred thirty-eight thousand, two hundred forty-nine".