22004002400424 has 64 divisors (see below), whose sum is σ = 63169384896000. Its totient is φ = 6316938486720.

The previous prime is 22004002400407. The next prime is 22004002400437. The reversal of 22004002400424 is 42400420040022.

It is a super-2 number, since 2×22004002400424² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22004002400394 and 22004002400403.

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 15 ways as a sum of consecutive naturals, for example, 2193376404 + ... + 2193386435.

It is an arithmetic number, because the mean of its divisors is an integer number (987021639000).

Almost surely, 2^{22004002400424} is an apocalyptic number.

22004002400424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22004002400424 is an abundant number, since it is smaller than the sum of its proper divisors (41165382495576).

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

22004002400424 is a wasteful number, since it uses less digits than its factorization.

22004002400424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386762878 (or 4386762874 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22004002400424 its reverse (42400420040022), we get a palindrome (64404422440446).

The spelling of 22004002400424 in words is "twenty-two trillion, four billion, two million, four hundred thousand, four hundred twenty-four".