518642022 has 16 divisors (see below), whose sum is σ = 1038735360. Its totient is φ = 172638792.

The previous prime is 518642021. The next prime is 518642023. The reversal of 518642022 is 220246815.

It is an interprime number because it is at equal distance from previous prime (518642021) and next prime (518642023).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518642021) 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, 55798 + ... + 64425.

It is an arithmetic number, because the mean of its divisors is an integer number (64920960).

Almost surely, 2^518642022 is an apocalyptic number.

518642022 is an abundant number, since it is smaller than the sum of its proper divisors (520093338).

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

518642022 is a wasteful number, since it uses less digits than its factorization.

518642022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120947.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 518642022 is about 22773.7133994437. The cubic root of 518642022 is about 803.4445341531. Note that the first 3 decimals are identical.

Adding to 518642022 its reverse (220246815), we get a palindrome (738888837).

The spelling of 518642022 in words is "five hundred eighteen million, six hundred forty-two thousand, twenty-two".