516420222 has 8 divisors (see below), whose sum is σ = 1032840456. Its totient is φ = 172140072.

The previous prime is 516420221. The next prime is 516420251. The reversal of 516420222 is 222024615.

It is a happy number.

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

516420222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 516420192 and 516420201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516420221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43035013 + ... + 43035024.

It is an arithmetic number, because the mean of its divisors is an integer number (129105057).

Almost surely, 2^516420222 is an apocalyptic number.

516420222 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.

516420222 is a wasteful number, since it uses less digits than its factorization.

516420222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86070042.

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

The square root of 516420222 is about 22724.8811218013. The cubic root of 516420222 is about 802.2956054024.

Adding to 516420222 its reverse (222024615), we get a palindrome (738444837).

The spelling of 516420222 in words is "five hundred sixteen million, four hundred twenty thousand, two hundred twenty-two".