557122 has 4 divisors (see below), whose sum is σ = 835686. Its totient is φ = 278560.

The previous prime is 557093. The next prime is 557153. The reversal of 557122 is 221755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221755 = 5 ⋅44351.

It can be written as a sum of positive squares in only one way, i.e., 447561 + 109561 = 669^2 + 331^2 .

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 557093 and 557102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139279 + ... + 139282.

2⁵⁵⁷¹²² is an apocalyptic number.

557122 is a deficient number, since it is larger than the sum of its proper divisors (278564).

557122 is a wasteful number, since it uses less digits than its factorization.

557122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278563.

The product of its digits is 700, while the sum is 22.

The square root of 557122 is about 746.4060557096. The cubic root of 557122 is about 82.2842603244.

Adding to 557122 its reverse (221755), we get a palindrome (778877).

The spelling of 557122 in words is "five hundred fifty-seven thousand, one hundred twenty-two".