22286505 has 16 divisors (see below), whose sum is σ = 35746560. Its totient is φ = 11856768.

The previous prime is 22286503. The next prime is 22286521. The reversal of 22286505 is 50568222.

It is not a de Polignac number, because 22286505 - 2¹ = 22286503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22286503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5341 + ... + 8549.

It is an arithmetic number, because the mean of its divisors is an integer number (2234160).

Almost surely, 2^22286505 is an apocalyptic number.

It is an amenable number.

22286505 is a deficient number, since it is larger than the sum of its proper divisors (13460055).

22286505 is a wasteful number, since it uses less digits than its factorization.

22286505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 22286505 is about 4720.8585024336. The cubic root of 22286505 is about 281.4150517623.

It can be divided in two parts, 22286 and 505, that added together give a triangular number (22791 = T₂₁₃).

The spelling of 22286505 in words is "twenty-two million, two hundred eighty-six thousand, five hundred five".