21222302220034 has 4 divisors (see below), whose sum is σ = 31833453330054. Its totient is φ = 10611151110016.

The previous prime is 21222302220011. The next prime is 21222302220043. The reversal of 21222302220034 is 43002220322212.

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., 18772748559009 + 2449553661025 = 4332753^2 + 1565105^2 .

It is a super-2 number, since 2×21222302220034² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21222302219990 and 21222302220008.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5305575555007 + ... + 5305575555010.

Almost surely, 2^{21222302220034} is an apocalyptic number.

21222302220034 is a deficient number, since it is larger than the sum of its proper divisors (10611151110020).

21222302220034 is a wasteful number, since it uses less digits than its factorization.

21222302220034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611151110019.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 21222302220034 its reverse (43002220322212), we get a palindrome (64224522542246).

The spelling of 21222302220034 in words is "twenty-one trillion, two hundred twenty-two billion, three hundred two million, two hundred twenty thousand, thirty-four".