22194361469952 has 2772 divisors, whose sum is σ = 85757392289856. Its totient is φ = 5711231877120.

The previous prime is 22194361469947. The next prime is 22194361469963. The reversal of 22194361469952 is 25996416349122.

22194361469952 is a `hidden beast` number, since 2 + 2 + 1 + 9 + 4 + 3 + 614 + 6 + 9 + 9 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 22194361469952.

It is an unprimeable number.

It is a polite number, since it can be written in 251 ways as a sum of consecutive naturals, for example, 599847607278 + ... + 599847607314.

Almost surely, 2^{22194361469952} 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 22194361469952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42878696144928).

22194361469952 is an abundant number, since it is smaller than the sum of its proper divisors (63563030819904).

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

22194361469952 is an equidigital number, since it uses as much as digits as its factorization.

22194361469952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 103 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 63.

The spelling of 22194361469952 in words is "twenty-two trillion, one hundred ninety-four billion, three hundred sixty-one million, four hundred sixty-nine thousand, nine hundred fifty-two".