22452705 has 48 divisors (see below), whose sum is σ = 43153344. Its totient is φ = 10707840.

The previous prime is 22452701. The next prime is 22452713. The reversal of 22452705 is 50725422.

It is not a de Polignac number, because 22452705 - 2² = 22452701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22452701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32827 + ... + 33503.

It is an arithmetic number, because the mean of its divisors is an integer number (899028).

Almost surely, 2^22452705 is an apocalyptic number.

It is an amenable number.

22452705 is a deficient number, since it is larger than the sum of its proper divisors (20700639).

22452705 is a wasteful number, since it uses less digits than its factorization.

22452705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 763 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 22452705 is about 4738.4285369730. The cubic root of 22452705 is about 282.1128641330.

It can be divided in two parts, 2245 and 2705, that added together give a triangular number (4950 = T₉₉).

The spelling of 22452705 in words is "twenty-two million, four hundred fifty-two thousand, seven hundred five".