22162601 has 4 divisors (see below), whose sum is σ = 22254804. Its totient is φ = 22070400.

The previous prime is 22162573. The next prime is 22162619. The reversal of 22162601 is 10626122.

It is a happy number.

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 12075625 + 10086976 = 3475^2 + 3176^2 .

It is a cyclic number.

It is not a de Polignac number, because 22162601 - 2⁶ = 22162537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22162661) 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 3 ways as a sum of consecutive naturals, for example, 45740 + ... + 46221.

It is an arithmetic number, because the mean of its divisors is an integer number (5563701).

Almost surely, 2^22162601 is an apocalyptic number.

It is an amenable number.

22162601 is a deficient number, since it is larger than the sum of its proper divisors (92203).

22162601 is an equidigital number, since it uses as much as digits as its factorization.

22162601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92202.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 22162601 is about 4707.7171750223. The cubic root of 22162601 is about 280.8925641390.

Adding to 22162601 its reverse (10626122), we get a palindrome (32788723).

The spelling of 22162601 in words is "twenty-two million, one hundred sixty-two thousand, six hundred one".