2222100440406 has 48 divisors (see below), whose sum is σ = 6002557037568. Its totient is φ = 577168945200.

The previous prime is 2222100440401. The next prime is 2222100440617. The reversal of 2222100440406 is 6040440012222.

2222100440406 is a `hidden beast` number, since 2 + 2 + 2 + 210 + 0 + 4 + 40 + 406 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2222100440406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222100440401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 801622150 + ... + 801624921.

It is an arithmetic number, because the mean of its divisors is an integer number (125053271616).

Almost surely, 2^{2222100440406} is an apocalyptic number.

2222100440406 is an abundant number, since it is smaller than the sum of its proper divisors (3780456597162).

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

2222100440406 is a wasteful number, since it uses less digits than its factorization.

2222100440406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603247097 (or 1603247094 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2222100440406 its reverse (6040440012222), we get a palindrome (8262540452628).

The spelling of 2222100440406 in words is "two trillion, two hundred twenty-two billion, one hundred million, four hundred forty thousand, four hundred six".