511432422 has 16 divisors (see below), whose sum is σ = 1023805440. Its totient is φ = 170320712.

The previous prime is 511432421. The next prime is 511432447. The reversal of 511432422 is 224234115.

It is a junction number, because it is equal to n+sod(n) for n = 511432392 and 511432401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511432421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32022 + ... + 45257.

It is an arithmetic number, because the mean of its divisors is an integer number (63987840).

Almost surely, 2^511432422 is an apocalyptic number.

511432422 is an abundant number, since it is smaller than the sum of its proper divisors (512373018).

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

511432422 is a wasteful number, since it uses less digits than its factorization.

511432422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78387.

The product of its digits is 1920, while the sum is 24.

The square root of 511432422 is about 22614.8716998350. The cubic root of 511432422 is about 799.7042771568.

Adding to 511432422 its reverse (224234115), we get a palindrome (735666537).

The spelling of 511432422 in words is "five hundred eleven million, four hundred thirty-two thousand, four hundred twenty-two".