22515222226 has 64 divisors (see below), whose sum is σ = 39617164800. Its totient is φ = 9398592000.

The previous prime is 22515222211. The next prime is 22515222253. The reversal of 22515222226 is 62222251522.

22515222226 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41617516 + ... + 41618056.

It is an arithmetic number, because the mean of its divisors is an integer number (619018200).

Almost surely, 2^22515222226 is an apocalyptic number.

22515222226 is a deficient number, since it is larger than the sum of its proper divisors (17101942574).

22515222226 is a wasteful number, since it uses less digits than its factorization.

22515222226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051.

The product of its digits is 19200, while the sum is 31.

Adding to 22515222226 its reverse (62222251522), we get a palindrome (84737473748).

The spelling of 22515222226 in words is "twenty-two billion, five hundred fifteen million, two hundred twenty-two thousand, two hundred twenty-six".