22102226406 has 64 divisors (see below), whose sum is σ = 55678156800. Its totient is φ = 6442750368.

The previous prime is 22102226383. The next prime is 22102226411. The reversal of 22102226406 is 60462220122.

It is a happy number.

22102226406 is a `hidden beast` number, since 2 + 2 + 10 + 2 + 2 + 2 + 640 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 22102226406.

It is a congruent number.

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, 815206 + ... + 841881.

It is an arithmetic number, because the mean of its divisors is an integer number (869971200).

Almost surely, 2^22102226406 is an apocalyptic number.

22102226406 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

22102226406 is an abundant number, since it is smaller than the sum of its proper divisors (33575930394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22102226406 is a wasteful number, since it uses less digits than its factorization.

22102226406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657130 (or 1657124 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 22102226406 its reverse (60462220122), we get a palindrome (82564446528).

The spelling of 22102226406 in words is "twenty-two billion, one hundred two million, two hundred twenty-six thousand, four hundred six".