516440122 has 16 divisors (see below), whose sum is σ = 854582400. Its totient is φ = 232107040.

The previous prime is 516440107. The next prime is 516440189. The reversal of 516440122 is 221044615.

It is a happy number.

It is a super-2 number, since 2×516440122² = 533420799222749768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129922 + ... + 133837.

It is an arithmetic number, because the mean of its divisors is an integer number (53411400).

Almost surely, 2^516440122 is an apocalyptic number.

516440122 is a deficient number, since it is larger than the sum of its proper divisors (338142278).

516440122 is a wasteful number, since it uses less digits than its factorization.

516440122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263861.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 516440122 is about 22725.3189636581. The cubic root of 516440122 is about 802.3059106259.

Adding to 516440122 its reverse (221044615), we get a palindrome (737484737).

The spelling of 516440122 in words is "five hundred sixteen million, four hundred forty thousand, one hundred twenty-two".