22401022235 has 4 divisors (see below), whose sum is σ = 26881226688. Its totient is φ = 17920817784.

The previous prime is 22401022223. The next prime is 22401022243. The reversal of 22401022235 is 53222010422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22401022235 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 22401022235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240102219 + ... + 2240102228.

It is an arithmetic number, because the mean of its divisors is an integer number (6720306672).

Almost surely, 2^22401022235 is an apocalyptic number.

22401022235 is a deficient number, since it is larger than the sum of its proper divisors (4480204453).

22401022235 is an equidigital number, since it uses as much as digits as its factorization.

22401022235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480204452.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 22401022235 its reverse (53222010422), we get a palindrome (75623032657).

The spelling of 22401022235 in words is "twenty-two billion, four hundred one million, twenty-two thousand, two hundred thirty-five".