22002420235 has 4 divisors (see below), whose sum is σ = 26402904288. Its totient is φ = 17601936184.

The previous prime is 22002420217. The next prime is 22002420239. The reversal of 22002420235 is 53202420022.

It is a happy number.

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 22002420235 - 2¹⁷ = 22002289163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002420239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2200242019 + ... + 2200242028.

It is an arithmetic number, because the mean of its divisors is an integer number (6600726072).

Almost surely, 2^22002420235 is an apocalyptic number.

22002420235 is a deficient number, since it is larger than the sum of its proper divisors (4400484053).

22002420235 is an equidigital number, since it uses as much as digits as its factorization.

22002420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400484052.

The product of its (nonzero) digits is 1920, while the sum is 22.

Adding to 22002420235 its reverse (53202420022), we get a palindrome (75204840257).

The spelling of 22002420235 in words is "twenty-two billion, two million, four hundred twenty thousand, two hundred thirty-five".