22148545 has 8 divisors (see below), whose sum is σ = 26680896. Its totient is φ = 17650416.

The previous prime is 22148543. The next prime is 22148549. The reversal of 22148545 is 54584122.

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

It is a cyclic number.

It is not a de Polignac number, because 22148545 - 2¹ = 22148543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22148543) 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, 7107 + ... + 9736.

It is an arithmetic number, because the mean of its divisors is an integer number (3335112).

Almost surely, 2^22148545 is an apocalyptic number.

It is an amenable number.

22148545 is a deficient number, since it is larger than the sum of its proper divisors (4532351).

22148545 is a wasteful number, since it uses less digits than its factorization.

22148545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17111.

The product of its digits is 12800, while the sum is 31.

The square root of 22148545 is about 4706.2240703137. The cubic root of 22148545 is about 280.8331688713.

The spelling of 22148545 in words is "twenty-two million, one hundred forty-eight thousand, five hundred forty-five".