22154353344 has 84 divisors (see below), whose sum is σ = 63534772600. Its totient is φ = 7380910080.

The previous prime is 22154353337. The next prime is 22154353349. The reversal of 22154353344 is 44335345122.

22154353344 is a `hidden beast` number, since 2 + 21 + 543 + 53 + 3 + 44 = 666.

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 = 22154353299 and 22154353308.

It is not an unprimeable number, because it can be changed into a prime (22154353349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218432 + ... + 1236480.

Almost surely, 2^22154353344 is an apocalyptic number.

22154353344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22154353344 is an abundant number, since it is smaller than the sum of its proper divisors (41380419256).

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

22154353344 is a wasteful number, since it uses less digits than its factorization.

22154353344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20198 (or 20185 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

Adding to 22154353344 its reverse (44335345122), we get a palindrome (66489698466).

The spelling of 22154353344 in words is "twenty-two billion, one hundred fifty-four million, three hundred fifty-three thousand, three hundred forty-four".