2251259338 has 8 divisors (see below), whose sum is σ = 3424451040. Its totient is φ = 1109775660.

The previous prime is 2251259333. The next prime is 2251259363. The reversal of 2251259338 is 8339521522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2251259338.

It is not an unprimeable number, because it can be changed into a prime (2251259333) 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, 7926828 + ... + 7927111.

It is an arithmetic number, because the mean of its divisors is an integer number (428056380).

Almost surely, 2^2251259338 is an apocalyptic number.

2251259338 is a deficient number, since it is larger than the sum of its proper divisors (1173191702).

2251259338 is a wasteful number, since it uses less digits than its factorization.

2251259338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15854012.

The product of its digits is 129600, while the sum is 40.

The square root of 2251259338 is about 47447.4376336594. The cubic root of 2251259338 is about 1310.6151255242.

The spelling of 2251259338 in words is "two billion, two hundred fifty-one million, two hundred fifty-nine thousand, three hundred thirty-eight".