22213552240 has 80 divisors (see below), whose sum is σ = 58284528480. Its totient is φ = 7799106560.

The previous prime is 22213552219. The next prime is 22213552259. The reversal of 22213552240 is 4225531222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 22213552199 and 22213552208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409699 + ... + 460738.

It is an arithmetic number, because the mean of its divisors is an integer number (728556606).

Almost surely, 2^22213552240 is an apocalyptic number.

22213552240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22213552240 is an abundant number, since it is smaller than the sum of its proper divisors (36070976240).

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

22213552240 is a wasteful number, since it uses less digits than its factorization.

22213552240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870490 (or 870484 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 22213552240 in words is "twenty-two billion, two hundred thirteen million, five hundred fifty-two thousand, two hundred forty".