22202135 has 4 divisors (see below), whose sum is σ = 26642568. Its totient is φ = 17761704.

The previous prime is 22202111. The next prime is 22202137. The reversal of 22202135 is 53120222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22202135 - 2¹⁰ = 22201111 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 (22202137) 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, 2220209 + ... + 2220218.

It is an arithmetic number, because the mean of its divisors is an integer number (6660642).

Almost surely, 2^22202135 is an apocalyptic number.

22202135 is a deficient number, since it is larger than the sum of its proper divisors (4440433).

22202135 is an equidigital number, since it uses as much as digits as its factorization.

22202135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4440432.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 22202135 is about 4711.9141545661. The cubic root of 22202135 is about 281.0594851334.

Adding to 22202135 its reverse (53120222), we get a palindrome (75322357).

The spelling of 22202135 in words is "twenty-two million, two hundred two thousand, one hundred thirty-five".