122209147944 has 192 divisors, whose sum is σ = 365184980160. Its totient is φ = 36682813440.

The previous prime is 122209147927. The next prime is 122209147967. The reversal of 122209147944 is 449741902221.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 122209147944.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47129112 + ... + 47131704.

It is an arithmetic number, because the mean of its divisors is an integer number (1902005105).

Almost surely, 2^122209147944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122209147944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182592490080).

122209147944 is an abundant number, since it is smaller than the sum of its proper divisors (242975832216).

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

122209147944 is a wasteful number, since it uses less digits than its factorization.

122209147944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832 (or 3825 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 122209147944 in words is "one hundred twenty-two billion, two hundred nine million, one hundred forty-seven thousand, nine hundred forty-four".