2257042219 has 4 divisors (see below), whose sum is σ = 2264162544. Its totient is φ = 2249921896.

The previous prime is 2257042211. The next prime is 2257042223. The reversal of 2257042219 is 9122407522.

It is a happy number.

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 2257042219 - 2³ = 2257042211 is a prime.

It is a super-2 number, since 2×2257042219² = 10188479156696887922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257042211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3559687 + ... + 3560320.

It is an arithmetic number, because the mean of its divisors is an integer number (566040636).

Almost surely, 2^2257042219 is an apocalyptic number.

2257042219 is a deficient number, since it is larger than the sum of its proper divisors (7120325).

2257042219 is an equidigital number, since it uses as much as digits as its factorization.

2257042219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120324.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2257042219 is about 47508.3384154824. The cubic root of 2257042219 is about 1311.7363721735.

The spelling of 2257042219 in words is "two billion, two hundred fifty-seven million, forty-two thousand, two hundred nineteen".