22005495 has 12 divisors (see below), whose sum is σ = 38142936. Its totient is φ = 11736240.

The previous prime is 22005449. The next prime is 22005499. The reversal of 22005495 is 59450022.

It is not a de Polignac number, because 22005495 - 2⁷ = 22005367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244461 + ... + 244550.

It is an arithmetic number, because the mean of its divisors is an integer number (3178578).

Almost surely, 2^22005495 is an apocalyptic number.

22005495 is a deficient number, since it is larger than the sum of its proper divisors (16137441).

22005495 is a wasteful number, since it uses less digits than its factorization.

22005495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489022 (or 489019 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22005495 is about 4691.0014922189. The cubic root of 22005495 is about 280.2272602237.

It can be divided in two parts, 22005 and 495, that added together give a square (22500 = 150²).

The spelling of 22005495 in words is "twenty-two million, five thousand, four hundred ninety-five".