22022225615626 has 8 divisors (see below), whose sum is σ = 34172419058820. Its totient is φ = 10631419262688.

The previous prime is 22022225615581. The next prime is 22022225615641. The reversal of 22022225615626 is 62651652222022.

It can be written as a sum of positive squares in 2 ways, for example, as 22019565635001 + 2659980625 = 4692501^2 + 51575^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 189846772491 + ... + 189846772606.

Almost surely, 2^{22022225615626} is an apocalyptic number.

22022225615626 is a deficient number, since it is larger than the sum of its proper divisors (12150193443194).

22022225615626 is a wasteful number, since it uses less digits than its factorization.

22022225615626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379693545128.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 22022225615626 its reverse (62651652222022), we get a palindrome (84673877837648).

The spelling of 22022225615626 in words is "twenty-two trillion, twenty-two billion, two hundred twenty-five million, six hundred fifteen thousand, six hundred twenty-six".