2267749457 has 2 divisors, whose sum is σ = 2267749458. Its totient is φ = 2267749456.

The previous prime is 2267749439. The next prime is 2267749507. The reversal of 2267749457 is 7549477622.

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., 1263873601 + 1003875856 = 35551^2 + 31684^2 .

It is a cyclic number.

It is not a de Polignac number, because 2267749457 - 2¹⁴ = 2267733073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2267749399 and 2267749408.

It is not a weakly prime, because it can be changed into another prime (2267745457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133874728 + 1133874729.

It is an arithmetic number, because the mean of its divisors is an integer number (1133874729).

Almost surely, 2^2267749457 is an apocalyptic number.

It is an amenable number.

2267749457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2267749457 is an equidigital number, since it uses as much as digits as its factorization.

2267749457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 53.

The square root of 2267749457 is about 47620.8930722640. The cubic root of 2267749457 is about 1313.8073602084.

The spelling of 2267749457 in words is "two billion, two hundred sixty-seven million, seven hundred forty-nine thousand, four hundred fifty-seven".