2227272457 has 2 divisors, whose sum is σ = 2227272458. Its totient is φ = 2227272456.

The previous prime is 2227272451. The next prime is 2227272563. The reversal of 2227272457 is 7542727222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1646655241 + 580617216 = 40579^2 + 24096^2 .

It is a cyclic number.

It is not a de Polignac number, because 2227272457 - 2³ = 2227272449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2227272451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1113636228 + 1113636229.

It is an arithmetic number, because the mean of its divisors is an integer number (1113636229).

Almost surely, 2^2227272457 is an apocalyptic number.

It is an amenable number.

2227272457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2227272457 is an equidigital number, since it uses as much as digits as its factorization.

2227272457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 219520, while the sum is 40.

The square root of 2227272457 is about 47193.9875090037. The cubic root of 2227272457 is about 1305.9436825078.

Adding to 2227272457 its reverse (7542727222), we get a palindrome (9769999679).

The spelling of 2227272457 in words is "two billion, two hundred twenty-seven million, two hundred seventy-two thousand, four hundred fifty-seven".