22146017 has 4 divisors (see below), whose sum is σ = 22744596. Its totient is φ = 21547440.

The previous prime is 22145993. The next prime is 22146023. The reversal of 22146017 is 71064122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18241441 + 3904576 = 4271^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 22146017 - 2⁶ = 22145953 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22145983 and 22146001.

It is not an unprimeable number, because it can be changed into a prime (22166017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299234 + ... + 299307.

It is an arithmetic number, because the mean of its divisors is an integer number (5686149).

Almost surely, 2^22146017 is an apocalyptic number.

It is an amenable number.

22146017 is a deficient number, since it is larger than the sum of its proper divisors (598579).

22146017 is an equidigital number, since it uses as much as digits as its factorization.

22146017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598578.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 22146017 is about 4705.9554821524. The cubic root of 22146017 is about 280.8224838464.

The spelling of 22146017 in words is "twenty-two million, one hundred forty-six thousand, seventeen".