22221155513240 has 16 divisors (see below), whose sum is σ = 49997599904880. Its totient is φ = 8888462205280.

The previous prime is 22221155513213. The next prime is 22221155513269. The reversal of 22221155513240 is 4231555112222.

It is a self number, because there is not a number n which added to its sum of digits gives 22221155513240.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 277764443876 + ... + 277764443955.

It is an arithmetic number, because the mean of its divisors is an integer number (3124849994055).

Almost surely, 2^{22221155513240} is an apocalyptic number.

22221155513240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22221155513240 is an abundant number, since it is smaller than the sum of its proper divisors (27776444391640).

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

22221155513240 is a wasteful number, since it uses less digits than its factorization.

22221155513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555528887842 (or 555528887838 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 22221155513240 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred fifty-five million, five hundred thirteen thousand, two hundred forty".