22013220322 has 4 divisors (see below), whose sum is σ = 33019830486. Its totient is φ = 11006610160.

The previous prime is 22013220319. The next prime is 22013220371. The reversal of 22013220322 is 22302231022.

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., 16147039041 + 5866181281 = 127071^2 + 76591^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22013220322.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503305079 + ... + 5503305082.

Almost surely, 2^22013220322 is an apocalyptic number.

22013220322 is a deficient number, since it is larger than the sum of its proper divisors (11006610164).

22013220322 is a wasteful number, since it uses less digits than its factorization.

22013220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006610163.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22013220322 its reverse (22302231022), we get a palindrome (44315451344).

The spelling of 22013220322 in words is "twenty-two billion, thirteen million, two hundred twenty thousand, three hundred twenty-two".