22255234344 has 144 divisors (see below), whose sum is σ = 74239974900. Its totient is φ = 5984584704.

The previous prime is 22255234343. The next prime is 22255234367. The reversal of 22255234344 is 44343255222.

22255234344 is a `hidden beast` number, since 2 + 22 + 552 + 3 + 43 + 44 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21794616900 + 460617444 = 147630^2 + 21462^2 .

It is a super-2 number, since 2×22255234344² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 22255234299 and 22255234308.

It is not an unprimeable number, because it can be changed into a prime (22255234343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 125559 + ... + 245510.

Almost surely, 2^22255234344 is an apocalyptic number.

22255234344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22255234344 is an abundant number, since it is smaller than the sum of its proper divisors (51984740556).

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

22255234344 is a wasteful number, since it uses less digits than its factorization.

22255234344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371112 (or 371098 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 22255234344 its reverse (44343255222), we get a palindrome (66598489566).

The spelling of 22255234344 in words is "twenty-two billion, two hundred fifty-five million, two hundred thirty-four thousand, three hundred forty-four".