516222126 has 32 divisors (see below), whose sum is σ = 1311041280. Its totient is φ = 147491928.

The previous prime is 516222121. The next prime is 516222131. The reversal of 516222126 is 621222615.

516222126 is a `hidden beast` number, since 516 + 2 + 22 + 126 = 666.

It is an interprime number because it is at equal distance from previous prime (516222121) and next prime (516222131).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 516222126.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516222121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682456 + ... + 683211.

It is an arithmetic number, because the mean of its divisors is an integer number (40970040).

Almost surely, 2^516222126 is an apocalyptic number.

516222126 is an abundant number, since it is smaller than the sum of its proper divisors (794819154).

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

516222126 is a wasteful number, since it uses less digits than its factorization.

516222126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365685 (or 1365679 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 516222126 is about 22720.5221330849. The cubic root of 516222126 is about 802.1930068663.

The spelling of 516222126 in words is "five hundred sixteen million, two hundred twenty-two thousand, one hundred twenty-six".