511422 has 8 divisors (see below), whose sum is σ = 1022856. Its totient is φ = 170472.

The previous prime is 511417. The next prime is 511439. The reversal of 511422 is 224115.

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

511422 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 511422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42613 + ... + 42624.

It is an arithmetic number, because the mean of its divisors is an integer number (127857).

2⁵¹¹⁴²² is an apocalyptic number.

511422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511422 is a wasteful number, since it uses less digits than its factorization.

511422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85242.

The product of its digits is 80, while the sum is 15.

The square root of 511422 is about 715.1377489687. The cubic root of 511422 is about 79.9698844980.

Adding to 511422 its reverse (224115), we get a palindrome (735537).

The spelling of 511422 in words is "five hundred eleven thousand, four hundred twenty-two".