516422 has 4 divisors (see below), whose sum is σ = 774636. Its totient is φ = 258210.

The previous prime is 516421. The next prime is 516431. The reversal of 516422 is 224615.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 516394 and 516403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129104 + ... + 129107.

It is an arithmetic number, because the mean of its divisors is an integer number (193659).

2⁵¹⁶⁴²² is an apocalyptic number.

516422 is a deficient number, since it is larger than the sum of its proper divisors (258214).

516422 is a wasteful number, since it uses less digits than its factorization.

516422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258213.

The product of its digits is 480, while the sum is 20.

The square root of 516422 is about 718.6250761002. The cubic root of 516422 is about 80.2296526151.

The spelling of 516422 in words is "five hundred sixteen thousand, four hundred twenty-two".