2228487757 has 2 divisors, whose sum is σ = 2228487758. Its totient is φ = 2228487756.

The previous prime is 2228487739. The next prime is 2228487799. The reversal of 2228487757 is 7577848222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052633636 + 175854121 = 45306^2 + 13261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228487757 - 2¹⁹ = 2227963469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2228487707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114243878 + 1114243879.

It is an arithmetic number, because the mean of its divisors is an integer number (1114243879).

Almost surely, 2^2228487757 is an apocalyptic number.

It is an amenable number.

2228487757 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228487757 is an equidigital number, since it uses as much as digits as its factorization.

2228487757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3512320, while the sum is 52.

The square root of 2228487757 is about 47206.8613339205. The cubic root of 2228487757 is about 1306.1811665170.

The spelling of 2228487757 in words is "two billion, two hundred twenty-eight million, four hundred eighty-seven thousand, seven hundred fifty-seven".