4254722557 has 4 divisors (see below), whose sum is σ = 4259393856. Its totient is φ = 4250051260.

The previous prime is 4254722539. The next prime is 4254722569. The reversal of 4254722557 is 7552274524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4254722557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4254722587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2334283 + ... + 2336104.

It is an arithmetic number, because the mean of its divisors is an integer number (1064848464).

Almost surely, 2^4254722557 is an apocalyptic number.

It is an amenable number.

4254722557 is a deficient number, since it is larger than the sum of its proper divisors (4671299).

4254722557 is an equidigital number, since it uses as much as digits as its factorization.

4254722557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671298.

The product of its digits is 784000, while the sum is 43.

The square root of 4254722557 is about 65228.2343544573. The cubic root of 4254722557 is about 1620.4056491914.

The spelling of 4254722557 in words is "four billion, two hundred fifty-four million, seven hundred twenty-two thousand, five hundred fifty-seven".