2242786577 has 2 divisors, whose sum is σ = 2242786578. Its totient is φ = 2242786576.

The previous prime is 2242786571. The next prime is 2242786643. The reversal of 2242786577 is 7756872422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1861404736 + 381381841 = 43144^2 + 19529^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242786577 - 2¹² = 2242782481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242786571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121393288 + 1121393289.

It is an arithmetic number, because the mean of its divisors is an integer number (1121393289).

Almost surely, 2^2242786577 is an apocalyptic number.

It is an amenable number.

2242786577 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242786577 is an equidigital number, since it uses as much as digits as its factorization.

2242786577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2634240, while the sum is 50.

The square root of 2242786577 is about 47358.0677076251. The cubic root of 2242786577 is about 1308.9688634215.

The spelling of 2242786577 in words is "two billion, two hundred forty-two million, seven hundred eighty-six thousand, five hundred seventy-seven".