22036601 has 4 divisors (see below), whose sum is σ = 22049652. Its totient is φ = 22023552.

The previous prime is 22036589. The next prime is 22036613. The reversal of 22036601 is 10663022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10663022 = 2 ⋅5331511.

It is an interprime number because it is at equal distance from previous prime (22036589) and next prime (22036613).

It can be written as a sum of positive squares in 2 ways, for example, as 9954025 + 12082576 = 3155^2 + 3476^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22036601 is a prime.

It is a super-2 number, since 2×22036601² = 971223567266402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22036661) 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, 3536 + ... + 7521.

It is an arithmetic number, because the mean of its divisors is an integer number (5512413).

Almost surely, 2^22036601 is an apocalyptic number.

It is an amenable number.

22036601 is a deficient number, since it is larger than the sum of its proper divisors (13051).

22036601 is a wasteful number, since it uses less digits than its factorization.

22036601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13050.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 22036601 is about 4694.3158180932. The cubic root of 22036601 is about 280.3592370348.

Adding to 22036601 its reverse (10663022), we get a palindrome (32699623).

The spelling of 22036601 in words is "twenty-two million, thirty-six thousand, six hundred one".