22102226405 has 24 divisors (see below), whose sum is σ = 32667786648. Its totient is φ = 14264291328.

The previous prime is 22102226383. The next prime is 22102226411. The reversal of 22102226405 is 50462220122.

It can be written as a sum of positive squares in 4 ways, for example, as 3261095236 + 18841131169 = 57106^2 + 137263^2 .

It is not a de Polignac number, because 22102226405 - 2¹² = 22102222309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2649164 + ... + 2657493.

It is an arithmetic number, because the mean of its divisors is an integer number (1361157777).

Almost surely, 2^22102226405 is an apocalyptic number.

It is an amenable number.

22102226405 is a deficient number, since it is larger than the sum of its proper divisors (10565560243).

22102226405 is a wasteful number, since it uses less digits than its factorization.

22102226405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306693 (or 5306686 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 22102226405 its reverse (50462220122), we get a palindrome (72564446527).

The spelling of 22102226405 in words is "twenty-two billion, one hundred two million, two hundred twenty-six thousand, four hundred five".