22220220021004 has 24 divisors (see below), whose sum is σ = 39056478251840. Its totient is φ = 11061229435776.

The previous prime is 22220220020989. The next prime is 22220220021017. The reversal of 22220220021004 is 40012002202222.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28531144 + ... + 29299600.

Almost surely, 2^{22220220021004} is an apocalyptic number.

It is an amenable number.

22220220021004 is a deficient number, since it is larger than the sum of its proper divisors (16836258230836).

22220220021004 is a wasteful number, since it uses less digits than its factorization.

22220220021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800257 (or 800255 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 22220220021004 its reverse (40012002202222), we get a palindrome (62232222223226).

The spelling of 22220220021004 in words is "twenty-two trillion, two hundred twenty billion, two hundred twenty million, twenty-one thousand, four".