2257042243 has 8 divisors (see below), whose sum is σ = 2377267920. Its totient is φ = 2136960000.

The previous prime is 2257042231. The next prime is 2257042301. The reversal of 2257042243 is 3422407522.

2257042243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2257042243 - 2⁵ = 2257042211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2257042223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 67243.

It is an arithmetic number, because the mean of its divisors is an integer number (297158490).

Almost surely, 2^2257042243 is an apocalyptic number.

2257042243 is a deficient number, since it is larger than the sum of its proper divisors (120225677).

2257042243 is a wasteful number, since it uses less digits than its factorization.

2257042243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71717.

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 2257042243 is about 47508.3386680696. The cubic root of 2257042243 is about 1311.7363768229.

Adding to 2257042243 its reverse (3422407522), we get a palindrome (5679449765).

The spelling of 2257042243 in words is "two billion, two hundred fifty-seven million, forty-two thousand, two hundred forty-three".