22448137 has 4 divisors (see below), whose sum is σ = 22465296. Its totient is φ = 22430980.

The previous prime is 22448131. The next prime is 22448189. The reversal of 22448137 is 73184422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22448137 - 2⁷ = 22448009 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22448099 and 22448108.

It is not an unprimeable number, because it can be changed into a prime (22448131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6439 + ... + 9292.

It is an arithmetic number, because the mean of its divisors is an integer number (5616324).

Almost surely, 2^22448137 is an apocalyptic number.

It is an amenable number.

22448137 is a deficient number, since it is larger than the sum of its proper divisors (17159).

22448137 is a wasteful number, since it uses less digits than its factorization.

22448137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17158.

The product of its digits is 10752, while the sum is 31.

The square root of 22448137 is about 4737.9464961099. The cubic root of 22448137 is about 282.0937308932.

The spelling of 22448137 in words is "twenty-two million, four hundred forty-eight thousand, one hundred thirty-seven".