22450505 has 16 divisors (see below), whose sum is σ = 33588864. Its totient is φ = 13994880.

The previous prime is 22450499. The next prime is 22450567. The reversal of 22450505 is 50505422.

It is not a de Polignac number, because 22450505 - 2¹⁶ = 22384969 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 28772 + ... + 29541.

It is an arithmetic number, because the mean of its divisors is an integer number (2099304).

Almost surely, 2^22450505 is an apocalyptic number.

It is an amenable number.

22450505 is a deficient number, since it is larger than the sum of its proper divisors (11138359).

22450505 is a wasteful number, since it uses less digits than its factorization.

22450505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58336.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 22450505 is about 4738.1963868122. The cubic root of 22450505 is about 282.1036496743.

Adding to 22450505 its reverse (50505422), we get a palindrome (72955927).

The spelling of 22450505 in words is "twenty-two million, four hundred fifty thousand, five hundred five".