22148485 has 8 divisors (see below), whose sum is σ = 26607096. Its totient is φ = 17699520.

The previous prime is 22148479. The next prime is 22148543. The reversal of 22148485 is 58484122.

It can be written as a sum of positive squares in 4 ways, for example, as 8767521 + 13380964 = 2961^2 + 3658^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-22148485 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22148485.

It is a congruent number.

It is an unprimeable number.

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, 4395 + ... + 7975.

It is an arithmetic number, because the mean of its divisors is an integer number (3325887).

Almost surely, 2^22148485 is an apocalyptic number.

It is an amenable number.

22148485 is a deficient number, since it is larger than the sum of its proper divisors (4458611).

22148485 is a wasteful number, since it uses less digits than its factorization.

22148485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823.

The product of its digits is 20480, while the sum is 34.

The square root of 22148485 is about 4706.2176957723. The cubic root of 22148485 is about 280.8329152804.

The spelling of 22148485 in words is "twenty-two million, one hundred forty-eight thousand, four hundred eighty-five".