2257122417 has 16 divisors (see below), whose sum is σ = 3359440128. Its totient is φ = 1336139280.

The previous prime is 2257122397. The next prime is 2257122473. The reversal of 2257122417 is 7142217522.

It is not a de Polignac number, because 2257122417 - 2¹⁵ = 2257089649 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2257162417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 793903 + ... + 796740.

It is an arithmetic number, because the mean of its divisors is an integer number (209965008).

Almost surely, 2^2257122417 is an apocalyptic number.

It is an amenable number.

2257122417 is a deficient number, since it is larger than the sum of its proper divisors (1102317711).

2257122417 is a wasteful number, since it uses less digits than its factorization.

2257122417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590700.

The product of its digits is 15680, while the sum is 33.

The square root of 2257122417 is about 47509.1824492908. The cubic root of 2257122417 is about 1311.7519083454.

Adding to 2257122417 its reverse (7142217522), we get a palindrome (9399339939).

The spelling of 2257122417 in words is "two billion, two hundred fifty-seven million, one hundred twenty-two thousand, four hundred seventeen".