122243340 has 96 divisors (see below), whose sum is σ = 363121920. Its totient is φ = 30640896.

The previous prime is 122243333. The next prime is 122243347. The reversal of 122243340 is 43342221.

It is an interprime number because it is at equal distance from previous prime (122243333) and next prime (122243347).

It is not an unprimeable number, because it can be changed into a prime (122243347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178639 + ... + 179321.

It is an arithmetic number, because the mean of its divisors is an integer number (3782520).

Almost surely, 2^122243340 is an apocalyptic number.

122243340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122243340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181560960).

122243340 is an abundant number, since it is smaller than the sum of its proper divisors (240878580).

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

122243340 is a wasteful number, since it uses less digits than its factorization.

122243340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 122243340 is about 11056.3710140353. The cubic root of 122243340 is about 496.2970980642.

Adding to 122243340 its reverse (43342221), we get a palindrome (165585561).

The spelling of 122243340 in words is "one hundred twenty-two million, two hundred forty-three thousand, three hundred forty".