122322018 has 32 divisors (see below), whose sum is σ = 301101696. Its totient is φ = 32260608.

The previous prime is 122322017. The next prime is 122322041. The reversal of 122322018 is 810223221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 122321985 and 122322003.

It is not an unprimeable number, because it can be changed into a prime (122322017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111471 + ... + 112562.

It is an arithmetic number, because the mean of its divisors is an integer number (9409428).

Almost surely, 2^122322018 is an apocalyptic number.

122322018 is an abundant number, since it is smaller than the sum of its proper divisors (178779678).

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

122322018 is a wasteful number, since it uses less digits than its factorization.

122322018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224058.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 122322018 is about 11059.9284807814. The cubic root of 122322018 is about 496.4035504589.

Adding to 122322018 its reverse (810223221), we get a palindrome (932545239).

The spelling of 122322018 in words is "one hundred twenty-two million, three hundred twenty-two thousand, eighteen".