22100653 has 4 divisors (see below), whose sum is σ = 22296348. Its totient is φ = 21904960.

The previous prime is 22100651. The next prime is 22100657. The reversal of 22100653 is 35600122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35600122 = 2 ⋅17800061.

It can be written as a sum of positive squares in 2 ways, for example, as 8277129 + 13823524 = 2877^2 + 3718^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100653 - 2¹ = 22100651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22100653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22100651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97678 + ... + 97903.

It is an arithmetic number, because the mean of its divisors is an integer number (5574087).

Almost surely, 2^22100653 is an apocalyptic number.

It is an amenable number.

22100653 is a deficient number, since it is larger than the sum of its proper divisors (195695).

22100653 is a wasteful number, since it uses less digits than its factorization.

22100653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195694.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 22100653 is about 4701.1331612708. The cubic root of 22100653 is about 280.6306067633.

Adding to 22100653 its reverse (35600122), we get a palindrome (57700775).

The spelling of 22100653 in words is "twenty-two million, one hundred thousand, six hundred fifty-three".