557224418 has 4 divisors (see below), whose sum is σ = 835836630. Its totient is φ = 278612208.

The previous prime is 557224361. The next prime is 557224439. The reversal of 557224418 is 814422755.

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., 395095129 + 162129289 = 19877^2 + 12733^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139306103 + ... + 139306106.

Almost surely, 2^557224418 is an apocalyptic number.

557224418 is a deficient number, since it is larger than the sum of its proper divisors (278612212).

557224418 is a wasteful number, since it uses less digits than its factorization.

557224418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278612211.

The product of its digits is 89600, while the sum is 38.

The square root of 557224418 is about 23605.6014115294. The cubic root of 557224418 is about 822.8930223202.

The spelling of 557224418 in words is "five hundred fifty-seven million, two hundred twenty-four thousand, four hundred eighteen".