22093478505 has 96 divisors (see below), whose sum is σ = 46031431680. Its totient is φ = 9589432320.

The previous prime is 22093478503. The next prime is 22093478507. The reversal of 22093478505 is 50587439022.

22093478505 is a `hidden beast` number, since 220 + 9 + 347 + 85 + 0 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22093478503) and next prime (22093478507).

It is not a de Polignac number, because 22093478505 - 2¹ = 22093478503 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (22093478503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 496201 + ... + 538889.

It is an arithmetic number, because the mean of its divisors is an integer number (479494080).

Almost surely, 2^22093478505 is an apocalyptic number.

It is an amenable number.

22093478505 is an abundant number, since it is smaller than the sum of its proper divisors (23937953175).

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

22093478505 is a wasteful number, since it uses less digits than its factorization.

22093478505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42791 (or 42788 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 22093478505 in words is "twenty-two billion, ninety-three million, four hundred seventy-eight thousand, five hundred five".