557422 has 8 divisors (see below), whose sum is σ = 880200. Its totient is φ = 264024.

The previous prime is 557377. The next prime is 557423. The reversal of 557422 is 224755.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557423) by changing a digit.

557422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7297 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (110025).

2⁵⁵⁷⁴²² is an apocalyptic number.

557422 is a deficient number, since it is larger than the sum of its proper divisors (322778).

557422 is a wasteful number, since it uses less digits than its factorization.

557422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14690.

The product of its digits is 2800, while the sum is 25.

The square root of 557422 is about 746.6069916629. The cubic root of 557422 is about 82.2990271968.

It can be divided in two parts, 557 and 422, that added together give a palindrome (979).

The spelling of 557422 in words is "five hundred fifty-seven thousand, four hundred twenty-two".