22343717418 has 64 divisors (see below), whose sum is σ = 50476068864. Its totient is φ = 6532416000.

The previous prime is 22343717411. The next prime is 22343717483. The reversal of 22343717418 is 81471734322.

It is a self number, because there is not a number n which added to its sum of digits gives 22343717418.

It is not an unprimeable number, because it can be changed into a prime (22343717411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 660730 + ... + 693722.

It is an arithmetic number, because the mean of its divisors is an integer number (788688576).

Almost surely, 2^22343717418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22343717418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25238034432).

22343717418 is an abundant number, since it is smaller than the sum of its proper divisors (28132351446).

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

22343717418 is a wasteful number, since it uses less digits than its factorization.

22343717418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371.

The product of its digits is 225792, while the sum is 42.

The spelling of 22343717418 in words is "twenty-two billion, three hundred forty-three million, seven hundred seventeen thousand, four hundred eighteen".