22601 has 4 divisors (see below), whose sum is σ = 22932. Its totient is φ = 22272.

The previous prime is 22573. The next prime is 22613. The reversal of 22601 is 10622.

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 7225 + 15376 = 85^2 + 124^2 .

It is a cyclic number.

It is not a de Polignac number, because 22601 - 2¹⁰ = 21577 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22601.

It is not an unprimeable number, because it can be changed into a prime (22621) 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, 20 + ... + 213.

It is an arithmetic number, because the mean of its divisors is an integer number (5733).

2²²⁶⁰¹ is an apocalyptic number.

It is an amenable number.

22601 is a deficient number, since it is larger than the sum of its proper divisors (331).

22601 is an equidigital number, since it uses as much as digits as its factorization.

22601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 22601 is about 150.3362896975. The cubic root of 22601 is about 28.2732598787.

The spelling of 22601 in words is "twenty-two thousand, six hundred one".