22245423322 has 4 divisors (see below), whose sum is σ = 33368134986. Its totient is φ = 11122711660.

The previous prime is 22245423311. The next prime is 22245423413. The reversal of 22245423322 is 22332454222.

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., 21056621881 + 1188801441 = 145109^2 + 34479^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561355829 + ... + 5561355832.

Almost surely, 2^22245423322 is an apocalyptic number.

22245423322 is a deficient number, since it is larger than the sum of its proper divisors (11122711664).

22245423322 is a wasteful number, since it uses less digits than its factorization.

22245423322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122711663.

The product of its digits is 46080, while the sum is 31.

Adding to 22245423322 its reverse (22332454222), we get a palindrome (44577877544).

The spelling of 22245423322 in words is "twenty-two billion, two hundred forty-five million, four hundred twenty-three thousand, three hundred twenty-two".