22434222672 has 140 divisors (see below), whose sum is σ = 65750232564. Its totient is φ = 7411461120.

The previous prime is 22434222647. The next prime is 22434222677. The reversal of 22434222672 is 27622243422.

22434222672 is a `hidden beast` number, since 2 + 24 + 342 + 226 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10816832016 + 11617390656 = 104004^2 + 107784^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22434222677) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1309522 + ... + 1326542.

Almost surely, 2^22434222672 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 22434222672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32875116282).

22434222672 is an abundant number, since it is smaller than the sum of its proper divisors (43316009892).

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

22434222672 is a wasteful number, since it uses less digits than its factorization.

22434222672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17160 (or 17139 counting only the distinct ones).

The product of its digits is 129024, while the sum is 36.

The spelling of 22434222672 in words is "twenty-two billion, four hundred thirty-four million, two hundred twenty-two thousand, six hundred seventy-two".