2562221144057 has 4 divisors (see below), whose sum is σ = 2562226078836. Its totient is φ = 2562216209280.

The previous prime is 2562221144051. The next prime is 2562221144071. The reversal of 2562221144057 is 7504411222652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 919443183376 + 1642777960681 = 958876^2 + 1281709^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2562221144057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2562221144051) 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, 1582868 + ... + 2762229.

It is an arithmetic number, because the mean of its divisors is an integer number (640556519709).

Almost surely, 2^{2562221144057} is an apocalyptic number.

It is an amenable number.

2562221144057 is a deficient number, since it is larger than the sum of its proper divisors (4934779).

2562221144057 is an equidigital number, since it uses as much as digits as its factorization.

2562221144057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934778.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 2562221144057 in words is "two trillion, five hundred sixty-two billion, two hundred twenty-one million, one hundred forty-four thousand, fifty-seven".