516161222 has 32 divisors (see below), whose sum is σ = 814454784. Its totient is φ = 245044800.

The previous prime is 516161221. The next prime is 516161251. The reversal of 516161222 is 222161615.

It is a junction number, because it is equal to n+sod(n) for n = 516161191 and 516161200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836258 + ... + 836874.

It is an arithmetic number, because the mean of its divisors is an integer number (25451712).

Almost surely, 2^516161222 is an apocalyptic number.

516161222 is a deficient number, since it is larger than the sum of its proper divisors (298293562).

516161222 is a wasteful number, since it uses less digits than its factorization.

516161222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

The product of its digits is 1440, while the sum is 26.

The square root of 516161222 is about 22719.1818074507. The cubic root of 516161222 is about 802.1614579898.

The spelling of 516161222 in words is "five hundred sixteen million, one hundred sixty-one thousand, two hundred twenty-two".