487451722 has 4 divisors (see below), whose sum is σ = 731177586. Its totient is φ = 243725860.

The previous prime is 487451717. The next prime is 487451729. The reversal of 487451722 is 227154784.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 480004281 + 7447441 = 21909^2 + 2729^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (487451729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121862929 + ... + 121862932.

Almost surely, 2^487451722 is an apocalyptic number.

487451722 is a deficient number, since it is larger than the sum of its proper divisors (243725864).

487451722 is a wasteful number, since it uses less digits than its factorization.

487451722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243725863.

The product of its digits is 125440, while the sum is 40.

The square root of 487451722 is about 22078.3088573378. The cubic root of 487451722 is about 787.0044771117.

The spelling of 487451722 in words is "four hundred eighty-seven million, four hundred fifty-one thousand, seven hundred twenty-two".