22240542505 has 8 divisors (see below), whose sum is σ = 27549575424. Its totient is φ = 17218484400.

The previous prime is 22240542503. The next prime is 22240542509. The reversal of 22240542505 is 50524504222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22240542505 - 2¹ = 22240542503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22240542503) 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, 71743531 + ... + 71743840.

It is an arithmetic number, because the mean of its divisors is an integer number (3443696928).

Almost surely, 2^22240542505 is an apocalyptic number.

It is an amenable number.

22240542505 is a deficient number, since it is larger than the sum of its proper divisors (5309032919).

22240542505 is a wasteful number, since it uses less digits than its factorization.

22240542505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143487407.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 22240542505 in words is "twenty-two billion, two hundred forty million, five hundred forty-two thousand, five hundred five".