22085148 has 12 divisors (see below), whose sum is σ = 51532040. Its totient is φ = 7361712.

The previous prime is 22085123. The next prime is 22085149. The reversal of 22085148 is 84158022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22085149) 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 3 ways as a sum of consecutive naturals, for example, 920203 + ... + 920226.

Almost surely, 2^22085148 is an apocalyptic number.

It is an amenable number.

22085148 is an abundant number, since it is smaller than the sum of its proper divisors (29446892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22085148 is a wasteful number, since it uses less digits than its factorization.

22085148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840436 (or 1840434 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 22085148 is about 4699.4838014403. The cubic root of 22085148 is about 280.5649647285.

The spelling of 22085148 in words is "twenty-two million, eighty-five thousand, one hundred forty-eight".