22146205 has 8 divisors (see below), whose sum is σ = 26779104. Its totient is φ = 17581200.

The previous prime is 22146203. The next prime is 22146221. The reversal of 22146205 is 50264122.

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

It is not a de Polignac number, because 22146205 - 2¹ = 22146203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22146203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16251 + ... + 17560.

It is an arithmetic number, because the mean of its divisors is an integer number (3347388).

Almost surely, 2^22146205 is an apocalyptic number.

It is an amenable number.

22146205 is a deficient number, since it is larger than the sum of its proper divisors (4632899).

22146205 is a wasteful number, since it uses less digits than its factorization.

22146205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33947.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22146205 is about 4705.9754567996. The cubic root of 22146205 is about 280.8232784886.

The spelling of 22146205 in words is "twenty-two million, one hundred forty-six thousand, two hundred five".