487747226 has 8 divisors (see below), whose sum is σ = 732188820. Its totient is φ = 243684288.

The previous prime is 487747213. The next prime is 487747229. The reversal of 487747226 is 622747784.

It is a Cunningham number, because it is equal to 22085²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 487747225 + 1 = 22085^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (487747229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91421 + ... + 96608.

Almost surely, 2^487747226 is an apocalyptic number.

487747226 is a deficient number, since it is larger than the sum of its proper divisors (244441594).

487747226 is a wasteful number, since it uses less digits than its factorization.

487747226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189328.

The product of its digits is 1053696, while the sum is 47.

The square root of 487747226 is about 22085.0000226398. Note that the first 4 decimals coincide. The cubic root of 487747226 is about 787.1634781515.

The spelling of 487747226 in words is "four hundred eighty-seven million, seven hundred forty-seven thousand, two hundred twenty-six".