22220220004 has 12 divisors (see below), whose sum is σ = 38886802864. Its totient is φ = 11109704904.

The previous prime is 22220219963. The next prime is 22220220037. The reversal of 22220220004 is 40002202222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220220004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45907 + ... + 215749.

Almost surely, 2^22220220004 is an apocalyptic number.

It is an amenable number.

22220220004 is a deficient number, since it is larger than the sum of its proper divisors (16666582860).

22220220004 is a wasteful number, since it uses less digits than its factorization.

22220220004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202554 (or 202552 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22220220004 its reverse (40002202222), we get a palindrome (62222422226).

The spelling of 22220220004 in words is "twenty-two billion, two hundred twenty million, two hundred twenty thousand, four".