22240615544 has 32 divisors (see below), whose sum is σ = 47694535680. Its totient is φ = 9524477664.

The previous prime is 22240615543. The next prime is 22240615561. The reversal of 22240615544 is 44551604222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240615543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75332 + ... + 223955.

It is an arithmetic number, because the mean of its divisors is an integer number (1490454240).

Almost surely, 2^22240615544 is an apocalyptic number.

It is an amenable number.

22240615544 is an abundant number, since it is smaller than the sum of its proper divisors (25453920136).

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

22240615544 is a wasteful number, since it uses less digits than its factorization.

22240615544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300627 (or 300623 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 22240615544 in words is "twenty-two billion, two hundred forty million, six hundred fifteen thousand, five hundred forty-four".