22146612 has 12 divisors (see below), whose sum is σ = 51675456. Its totient is φ = 7382200.

The previous prime is 22146611. The next prime is 22146637. The reversal of 22146612 is 21664122.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146611) 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, 922764 + ... + 922787.

It is an arithmetic number, because the mean of its divisors is an integer number (4306288).

Almost surely, 2^22146612 is an apocalyptic number.

It is an amenable number.

22146612 is an abundant number, since it is smaller than the sum of its proper divisors (29528844).

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

22146612 is a wasteful number, since it uses less digits than its factorization.

22146612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845558 (or 1845556 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 22146612 is about 4706.0186994954. The cubic root of 22146612 is about 280.8249987890.

The spelling of 22146612 in words is "twenty-two million, one hundred forty-six thousand, six hundred twelve".