22152203404322 has 4 divisors (see below), whose sum is σ = 33228305106486. Its totient is φ = 11076101702160.

The previous prime is 22152203404267. The next prime is 22152203404351. The reversal of 22152203404322 is 22340430225122.

It is a happy number.

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., 22021724238361 + 130479165961 = 4692731^2 + 361219^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5538050851079 + ... + 5538050851082.

Almost surely, 2^{22152203404322} is an apocalyptic number.

22152203404322 is a deficient number, since it is larger than the sum of its proper divisors (11076101702164).

22152203404322 is a wasteful number, since it uses less digits than its factorization.

22152203404322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11076101702163.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 22152203404322 its reverse (22340430225122), we get a palindrome (44492633629444).

The spelling of 22152203404322 in words is "twenty-two trillion, one hundred fifty-two billion, two hundred three million, four hundred four thousand, three hundred twenty-two".