22220535505 has 8 divisors (see below), whose sum is σ = 30473877312. Its totient is φ = 15236938608.

The previous prime is 22220535503. The next prime is 22220535509. The reversal of 22220535505 is 50553502222.

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

It is a cyclic number.

It is not a de Polignac number, because 22220535505 - 2¹ = 22220535503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22220535503) 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, 317436187 + ... + 317436256.

It is an arithmetic number, because the mean of its divisors is an integer number (3809234664).

Almost surely, 2^22220535505 is an apocalyptic number.

It is an amenable number.

22220535505 is a deficient number, since it is larger than the sum of its proper divisors (8253341807).

22220535505 is an equidigital number, since it uses as much as digits as its factorization.

22220535505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634872455.

The product of its (nonzero) digits is 30000, while the sum is 31.

The spelling of 22220535505 in words is "twenty-two billion, two hundred twenty million, five hundred thirty-five thousand, five hundred five".