557227572221 has 4 divisors (see below), whose sum is σ = 586555339200. Its totient is φ = 527899805244.

The previous prime is 557227572203. The next prime is 557227572241. The reversal of 557227572221 is 122275722755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 557227572221 - 2¹⁴ = 557227555837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557227572241) 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, 14663883461 + ... + 14663883498.

It is an arithmetic number, because the mean of its divisors is an integer number (146638834800).

Almost surely, 2^557227572221 is an apocalyptic number.

It is an amenable number.

557227572221 is a deficient number, since it is larger than the sum of its proper divisors (29327766979).

557227572221 is a wasteful number, since it uses less digits than its factorization.

557227572221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29327766978.

The product of its digits is 1372000, while the sum is 47.

The spelling of 557227572221 in words is "five hundred fifty-seven billion, two hundred twenty-seven million, five hundred seventy-two thousand, two hundred twenty-one".