22153873 has 24 divisors (see below), whose sum is σ = 27585792. Its totient is φ = 17416704.

The previous prime is 22153849. The next prime is 22153889. The reversal of 22153873 is 37835122.

It is not a de Polignac number, because 22153873 - 2¹⁷ = 22022801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22153823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94965 + ... + 95197.

It is an arithmetic number, because the mean of its divisors is an integer number (1149408).

Almost surely, 2^22153873 is an apocalyptic number.

It is an amenable number.

22153873 is a deficient number, since it is larger than the sum of its proper divisors (5431919).

22153873 is a wasteful number, since it uses less digits than its factorization.

22153873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 304 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 22153873 is about 4706.7900951710. The cubic root of 22153873 is about 280.8556859134.

Adding to 22153873 its reverse (37835122), we get a palindrome (59988995).

The spelling of 22153873 in words is "twenty-two million, one hundred fifty-three thousand, eight hundred seventy-three".