226400711257 has 16 divisors (see below), whose sum is σ = 259564672512. Its totient is φ = 193442477760.

The previous prime is 226400711227. The next prime is 226400711293. The reversal of 226400711257 is 752117004622.

It is not a de Polignac number, because 226400711257 - 2³¹ = 224253227609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226400711227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6098283 + ... + 6135295.

It is an arithmetic number, because the mean of its divisors is an integer number (16222792032).

Almost surely, 2^226400711257 is an apocalyptic number.

It is an amenable number.

226400711257 is a deficient number, since it is larger than the sum of its proper divisors (33163961255).

226400711257 is a wasteful number, since it uses less digits than its factorization.

226400711257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39768.

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 226400711257 its reverse (752117004622), we get a palindrome (978517715879).

The spelling of 226400711257 in words is "two hundred twenty-six billion, four hundred million, seven hundred eleven thousand, two hundred fifty-seven".