22240002040 has 64 divisors (see below), whose sum is σ = 51489444960. Its totient is φ = 8641651200.

The previous prime is 22240002019. The next prime is 22240002041. The reversal of 22240002040 is 4020004222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240002041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162187 + ... + 266053.

Almost surely, 2^22240002040 is an apocalyptic number.

22240002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22240002040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25744722480).

22240002040 is an abundant number, since it is smaller than the sum of its proper divisors (29249442920).

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

22240002040 is a wasteful number, since it uses less digits than its factorization.

22240002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104032 (or 104028 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22240002040 its reverse (4020004222), we get a palindrome (26260006262).

The spelling of 22240002040 in words is "twenty-two billion, two hundred forty million, two thousand, forty".