2257775742 has 16 divisors (see below), whose sum is σ = 4637593872. Its totient is φ = 732251520.

The previous prime is 2257775731. The next prime is 2257775743. The reversal of 2257775742 is 2475777522.

It is a junction number, because it is equal to n+sod(n) for n = 2257775691 and 2257775700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257775743) 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 7 ways as a sum of consecutive naturals, for example, 5084859 + ... + 5085302.

It is an arithmetic number, because the mean of its divisors is an integer number (289849617).

Almost surely, 2^2257775742 is an apocalyptic number.

2257775742 is an abundant number, since it is smaller than the sum of its proper divisors (2379818130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2257775742 is a wasteful number, since it uses less digits than its factorization.

2257775742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10170203.

The product of its digits is 1920800, while the sum is 48.

The square root of 2257775742 is about 47516.0577278882. The cubic root of 2257775742 is about 1311.8784585103.

The spelling of 2257775742 in words is "two billion, two hundred fifty-seven million, seven hundred seventy-five thousand, seven hundred forty-two".