22033554323240 has 16 divisors (see below), whose sum is σ = 49575497227380. Its totient is φ = 8813421729280.

The previous prime is 22033554323219. The next prime is 22033554323269. The reversal of 22033554323240 is 4232345533022.

It can be written as a sum of positive squares in 2 ways, for example, as 21490771442596 + 542782880644 = 4635814^2 + 736738^2 .

It is a super-2 number, since 2×22033554323240² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22033554323194 and 22033554323203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275419429001 + ... + 275419429080.

Almost surely, 2^{22033554323240} is an apocalyptic number.

22033554323240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22033554323240 is an abundant number, since it is smaller than the sum of its proper divisors (27541942904140).

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

22033554323240 is a wasteful number, since it uses less digits than its factorization.

22033554323240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550838858092 (or 550838858088 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 38.

Adding to 22033554323240 its reverse (4232345533022), we get a palindrome (26265899856262).

The spelling of 22033554323240 in words is "twenty-two trillion, thirty-three billion, five hundred fifty-four million, three hundred twenty-three thousand, two hundred forty".