122302324440 has 160 divisors (see below), whose sum is σ = 412838506080. Its totient is φ = 32473778688.

The previous prime is 122302324421. The next prime is 122302324447. The reversal of 122302324440 is 44423203221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122302324447) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 673917 + ... + 835923.

It is an arithmetic number, because the mean of its divisors is an integer number (2580240663).

Almost surely, 2^122302324440 is an apocalyptic number.

122302324440 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 122302324440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206419253040).

122302324440 is an abundant number, since it is smaller than the sum of its proper divisors (290536181640).

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

122302324440 is a wasteful number, since it uses less digits than its factorization.

122302324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162263 (or 162250 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 122302324440 its reverse (44423203221), we get a palindrome (166725527661).

The spelling of 122302324440 in words is "one hundred twenty-two billion, three hundred two million, three hundred twenty-four thousand, four hundred forty".