2257122473 has 2 divisors, whose sum is σ = 2257122474. Its totient is φ = 2257122472.

The previous prime is 2257122397. The next prime is 2257122479. The reversal of 2257122473 is 3742217522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2249794624 + 7327849 = 47432^2 + 2707^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257122473 - 2²² = 2252928169 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2257122479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128561236 + 1128561237.

It is an arithmetic number, because the mean of its divisors is an integer number (1128561237).

Almost surely, 2^2257122473 is an apocalyptic number.

It is an amenable number.

2257122473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2257122473 is an equidigital number, since it uses as much as digits as its factorization.

2257122473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 35.

The square root of 2257122473 is about 47509.1830386505. The cubic root of 2257122473 is about 1311.7519191937.

Adding to 2257122473 its reverse (3742217522), we get a palindrome (5999339995).

The spelling of 2257122473 in words is "two billion, two hundred fifty-seven million, one hundred twenty-two thousand, four hundred seventy-three".