22036351 has 4 divisors (see below), whose sum is σ = 22064400. Its totient is φ = 22008304.

The previous prime is 22036331. The next prime is 22036387. The reversal of 22036351 is 15363022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15363022 = 2 ⋅7681511.

It is a cyclic number.

It is not a de Polignac number, because 22036351 - 2¹¹ = 22034303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22036321) 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, 12811 + ... + 14428.

It is an arithmetic number, because the mean of its divisors is an integer number (5516100).

Almost surely, 2^22036351 is an apocalyptic number.

22036351 is a deficient number, since it is larger than the sum of its proper divisors (28049).

22036351 is an equidigital number, since it uses as much as digits as its factorization.

22036351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28048.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 22036351 is about 4694.2891900691. The cubic root of 22036351 is about 280.3581768279.

Adding to 22036351 its reverse (15363022), we get a palindrome (37399373).

The spelling of 22036351 in words is "twenty-two million, thirty-six thousand, three hundred fifty-one".