22147601 has 8 divisors (see below), whose sum is σ = 25544640. Its totient is φ = 18808848.

The previous prime is 22147579. The next prime is 22147607. The reversal of 22147601 is 10674122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22147601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22147607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13751 + ... + 15276.

It is an arithmetic number, because the mean of its divisors is an integer number (3193080).

Almost surely, 2^22147601 is an apocalyptic number.

It is an amenable number.

22147601 is a deficient number, since it is larger than the sum of its proper divisors (3397039).

22147601 is a wasteful number, since it uses less digits than its factorization.

22147601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29143.

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

The square root of 22147601 is about 4706.1237765278. The cubic root of 22147601 is about 280.8291789888.

The spelling of 22147601 in words is "twenty-two million, one hundred forty-seven thousand, six hundred one".