538631227226 has 16 divisors (see below), whose sum is σ = 847256495400. Its totient is φ = 256466827008.

The previous prime is 538631227213. The next prime is 538631227231. The reversal of 538631227226 is 622722136835.

It is a Cunningham number, because it is equal to 733915²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 538631227225 + 1 = 733915^2 + 1^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63603611 + ... + 63612078.

Almost surely, 2^538631227226 is an apocalyptic number.

538631227226 is a deficient number, since it is larger than the sum of its proper divisors (308625268174).

538631227226 is a wasteful number, since it uses less digits than its factorization.

538631227226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127215793.

The product of its digits is 1451520, while the sum is 47.

The spelling of 538631227226 in words is "five hundred thirty-eight billion, six hundred thirty-one million, two hundred twenty-seven thousand, two hundred twenty-six".