22153663 has 8 divisors (see below), whose sum is σ = 25487360. Its totient is φ = 18862200.

The previous prime is 22153661. The next prime is 22153667. The reversal of 22153663 is 36635122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22153663 - 2¹ = 22153661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22153661) 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 7 ways as a sum of consecutive naturals, for example, 9423 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (3185920).

Almost surely, 2^22153663 is an apocalyptic number.

22153663 is a deficient number, since it is larger than the sum of its proper divisors (3333697).

22153663 is a wasteful number, since it uses less digits than its factorization.

22153663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21117.

The product of its digits is 6480, while the sum is 28.

The square root of 22153663 is about 4706.7677869213. The cubic root of 22153663 is about 280.8547984857.

Adding to 22153663 its reverse (36635122), we get a palindrome (58788785).

The spelling of 22153663 in words is "twenty-two million, one hundred fifty-three thousand, six hundred sixty-three".