22221302234 has 4 divisors (see below), whose sum is σ = 33331953354. Its totient is φ = 11110651116.

The previous prime is 22221302203. The next prime is 22221302261. The reversal of 22221302234 is 43220312222.

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

It can be written as a sum of positive squares in only one way, i.e., 20023099009 + 2198203225 = 141503^2 + 46885^2 .

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 as a sum of consecutive naturals, namely, 5555325557 + ... + 5555325560.

Almost surely, 2^22221302234 is an apocalyptic number.

22221302234 is a deficient number, since it is larger than the sum of its proper divisors (11110651120).

22221302234 is a wasteful number, since it uses less digits than its factorization.

22221302234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11110651119.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 22221302234 its reverse (43220312222), we get a palindrome (65441614456).

The spelling of 22221302234 in words is "twenty-two billion, two hundred twenty-one million, three hundred two thousand, two hundred thirty-four".