556898422 has 4 divisors (see below), whose sum is σ = 835347636. Its totient is φ = 278449210.

The previous prime is 556898399. The next prime is 556898453. The reversal of 556898422 is 224898655.

It is a happy number.

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

It is a congruent number.

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, 139224604 + ... + 139224607.

It is an arithmetic number, because the mean of its divisors is an integer number (208836909).

Almost surely, 2^556898422 is an apocalyptic number.

556898422 is a deficient number, since it is larger than the sum of its proper divisors (278449214).

556898422 is a wasteful number, since it uses less digits than its factorization.

556898422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278449213.

The product of its digits is 1382400, while the sum is 49.

The square root of 556898422 is about 23598.6953452940. The cubic root of 556898422 is about 822.7325171713.

The spelling of 556898422 in words is "five hundred fifty-six million, eight hundred ninety-eight thousand, four hundred twenty-two".