22004024244240 has 40 divisors (see below), whose sum is σ = 68212475157888. Its totient is φ = 5867739798400.

The previous prime is 22004024244229. The next prime is 22004024244263. The reversal of 22004024244240 is 4244242040022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×22004024244240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22004024244198 and 22004024244207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45841716936 + ... + 45841717415.

Almost surely, 2^{22004024244240} is an apocalyptic number.

22004024244240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004024244240 is an abundant number, since it is smaller than the sum of its proper divisors (46208450913648).

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

22004024244240 is a wasteful number, since it uses less digits than its factorization.

22004024244240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91683434367 (or 91683434361 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22004024244240 its reverse (4244242040022), we get a palindrome (26248266284262).

The spelling of 22004024244240 in words is "twenty-two trillion, four billion, twenty-four million, two hundred forty-four thousand, two hundred forty".