22624161 has 32 divisors (see below), whose sum is σ = 36864000. Its totient is φ = 12047616.

The previous prime is 22624159. The next prime is 22624201. The reversal of 22624161 is 16142622.

It is not a de Polignac number, because 22624161 - 2¹ = 22624159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22624361) 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 31 ways as a sum of consecutive naturals, for example, 45090 + ... + 45588.

It is an arithmetic number, because the mean of its divisors is an integer number (1152000).

Almost surely, 2^22624161 is an apocalyptic number.

22624161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22624161 is a deficient number, since it is larger than the sum of its proper divisors (14239839).

22624161 is a wasteful number, since it uses less digits than its factorization.

22624161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653.

The product of its digits is 1152, while the sum is 24.

The square root of 22624161 is about 4756.4862030705. The cubic root of 22624161 is about 282.8291451656.

Adding to 22624161 its reverse (16142622), we get a palindrome (38766783).

The spelling of 22624161 in words is "twenty-two million, six hundred twenty-four thousand, one hundred sixty-one".