22240024440 has 32 divisors (see below), whose sum is σ = 66720073680. Its totient is φ = 5930673152.

The previous prime is 22240024439. The next prime is 22240024493. The reversal of 22240024440 is 4442004222.

It is a super-3 number, since 3×22240024440³ (a number of 32 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22240024440.

It is a congruent number.

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, 92666649 + ... + 92666888.

Almost surely, 2^22240024440 is an apocalyptic number.

22240024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22240024440 is an abundant number, since it is smaller than the sum of its proper divisors (44480049240).

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

22240024440 is a wasteful number, since it uses less digits than its factorization.

22240024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185333551 (or 185333547 counting only the distinct ones).

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

Adding to 22240024440 its reverse (4442004222), we get a palindrome (26682028662).

The spelling of 22240024440 in words is "twenty-two billion, two hundred forty million, twenty-four thousand, four hundred forty".