22204343440 has 40 divisors (see below), whose sum is σ = 52825690368. Its totient is φ = 8675184000.

The previous prime is 22204343431. The next prime is 22204343443. The reversal of 22204343440 is 4434340222.

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-3 number, since 3×22204343440³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22204343399 and 22204343408.

It is not an unprimeable number, because it can be changed into a prime (22204343443) 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 7 ways as a sum of consecutive naturals, for example, 3223936 + ... + 3230815.

Almost surely, 2^22204343440 is an apocalyptic number.

22204343440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22204343440 is an abundant number, since it is smaller than the sum of its proper divisors (30621346928).

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

22204343440 is a wasteful number, since it uses less digits than its factorization.

22204343440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454807 (or 6454801 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22204343440 its reverse (4434340222), we get a palindrome (26638683662).

The spelling of 22204343440 in words is "twenty-two billion, two hundred four million, three hundred forty-three thousand, four hundred forty".