22418925952 has 64 divisors (see below), whose sum is σ = 46113661440. Its totient is φ = 10849628160.

The previous prime is 22418925937. The next prime is 22418925989. The reversal of 22418925952 is 25952981422.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 22418925896 and 22418925905.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 649678 + ... + 683314.

It is an arithmetic number, because the mean of its divisors is an integer number (720525960).

Almost surely, 2^22418925952 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 22418925952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23056830720).

22418925952 is an abundant number, since it is smaller than the sum of its proper divisors (23694735488).

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

22418925952 is a wasteful number, since it uses less digits than its factorization.

22418925952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33819 (or 33807 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The spelling of 22418925952 in words is "twenty-two billion, four hundred eighteen million, nine hundred twenty-five thousand, nine hundred fifty-two".