22221302233 has 8 divisors (see below), whose sum is σ = 24054628808. Its totient is φ = 20405689344.

The previous prime is 22221302203. The next prime is 22221302261. The reversal of 22221302233 is 33220312222.

It can be written as a sum of positive squares in 4 ways, for example, as 22686169 + 22198616064 = 4763^2 + 148992^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22221302233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221302203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4425810 + ... + 4430827.

It is an arithmetic number, because the mean of its divisors is an integer number (3006828601).

Almost surely, 2^22221302233 is an apocalyptic number.

It is an amenable number.

22221302233 is a deficient number, since it is larger than the sum of its proper divisors (1833326575).

22221302233 is a wasteful number, since it uses less digits than its factorization.

22221302233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8856843.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 22221302233 its reverse (33220312222), we get a palindrome (55441614455).

The spelling of 22221302233 in words is "twenty-two billion, two hundred twenty-one million, three hundred two thousand, two hundred thirty-three".