122022618 has 16 divisors (see below), whose sum is σ = 244195776. Its totient is φ = 40649120.

The previous prime is 122022599. The next prime is 122022623. The reversal of 122022618 is 816220221.

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, 6163 + ... + 16793.

It is an arithmetic number, because the mean of its divisors is an integer number (15262236).

Almost surely, 2^122022618 is an apocalyptic number.

122022618 is an abundant number, since it is smaller than the sum of its proper divisors (122173158).

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

122022618 is a wasteful number, since it uses less digits than its factorization.

122022618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12549.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 122022618 is about 11046.3848384890. The cubic root of 122022618 is about 495.9982142019.

Adding to 122022618 its reverse (816220221), we get a palindrome (938242839).

The spelling of 122022618 in words is "one hundred twenty-two million, twenty-two thousand, six hundred eighteen".