618822358782122 has 16 divisors (see below), whose sum is σ = 1065914110821600. Its totient is φ = 266478527705040.

The previous prime is 618822358782071. The next prime is 618822358782137. The reversal of 618822358782122 is 221287853228816.

It is a happy number.

It is a super-2 number, since 2×618822358782122² (a number of 30 digits) 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, 740218132097 + ... + 740218132932.

It is an arithmetic number, because the mean of its divisors is an integer number (66619631926350).

Almost surely, 2^{618822358782122} is an apocalyptic number.

618822358782122 is a deficient number, since it is larger than the sum of its proper divisors (447091752039478).

618822358782122 is a wasteful number, since it uses less digits than its factorization.

618822358782122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480436265061.

The product of its digits is 82575360, while the sum is 65.

The spelling of 618822358782122 in words is "six hundred eighteen trillion, eight hundred twenty-two billion, three hundred fifty-eight million, seven hundred eighty-two thousand, one hundred twenty-two".