22221211004 has 6 divisors (see below), whose sum is σ = 38887119264. Its totient is φ = 11110605500.

The previous prime is 22221210997. The next prime is 22221211063. The reversal of 22221211004 is 40011212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777651372 + ... + 2777651379.

It is an arithmetic number, because the mean of its divisors is an integer number (6481186544).

Almost surely, 2^22221211004 is an apocalyptic number.

It is an amenable number.

22221211004 is a deficient number, since it is larger than the sum of its proper divisors (16665908260).

22221211004 is a wasteful number, since it uses less digits than its factorization.

22221211004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5555302755 (or 5555302753 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22221211004 its reverse (40011212222), we get a palindrome (62232423226).

The spelling of 22221211004 in words is "twenty-two billion, two hundred twenty-one million, two hundred eleven thousand, four".