22842505 has 32 divisors (see below), whose sum is σ = 33269760. Its totient is φ = 14722560.

The previous prime is 22842497. The next prime is 22842527. The reversal of 22842505 is 50524822.

It is not a de Polignac number, because 22842505 - 2³ = 22842497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39861 + ... + 40429.

It is an arithmetic number, because the mean of its divisors is an integer number (1039680).

Almost surely, 2^22842505 is an apocalyptic number.

It is an amenable number.

22842505 is a deficient number, since it is larger than the sum of its proper divisors (10427255).

22842505 is a wasteful number, since it uses less digits than its factorization.

22842505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 22842505 is about 4779.3833284222. The cubic root of 22842505 is about 283.7360877341.

The spelling of 22842505 in words is "twenty-two million, eight hundred forty-two thousand, five hundred five".