226283257 has 2 divisors, whose sum is σ = 226283258. Its totient is φ = 226283256.

The previous prime is 226283207. The next prime is 226283263. The reversal of 226283257 is 752382622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161061481 + 65221776 = 12691^2 + 8076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226283257 is a prime.

It is a super-2 number, since 2×226283257² = 102408224797056098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (226283207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113141628 + 113141629.

It is an arithmetic number, because the mean of its divisors is an integer number (113141629).

Almost surely, 2^226283257 is an apocalyptic number.

It is an amenable number.

226283257 is a deficient number, since it is larger than the sum of its proper divisors (1).

226283257 is an equidigital number, since it uses as much as digits as its factorization.

226283257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 226283257 is about 15042.7144159557. The cubic root of 226283257 is about 609.3743087154.

The spelling of 226283257 in words is "two hundred twenty-six million, two hundred eighty-three thousand, two hundred fifty-seven".