2242277657 has 2 divisors, whose sum is σ = 2242277658. Its totient is φ = 2242277656.

The previous prime is 2242277641. The next prime is 2242277683. The reversal of 2242277657 is 7567722422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1888423936 + 353853721 = 43456^2 + 18811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242277657 - 2⁴ = 2242277641 is a prime.

It is not a weakly prime, because it can be changed into another prime (2242277857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121138828 + 1121138829.

It is an arithmetic number, because the mean of its divisors is an integer number (1121138829).

Almost surely, 2^2242277657 is an apocalyptic number.

It is an amenable number.

2242277657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242277657 is an equidigital number, since it uses as much as digits as its factorization.

2242277657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560, while the sum is 44.

The square root of 2242277657 is about 47352.6942950451. The cubic root of 2242277657 is about 1308.8698480813.

The spelling of 2242277657 in words is "two billion, two hundred forty-two million, two hundred seventy-seven thousand, six hundred fifty-seven".