22220244004 has 24 divisors (see below), whose sum is σ = 44477072640. Its totient is φ = 9515122176.

The previous prime is 22220243987. The next prime is 22220244031. The reversal of 22220244004 is 40044202222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291964 + ... + 360115.

It is an arithmetic number, because the mean of its divisors is an integer number (1853211360).

Almost surely, 2^22220244004 is an apocalyptic number.

It is an amenable number.

22220244004 is an abundant number, since it is smaller than the sum of its proper divisors (22256828636).

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

22220244004 is a wasteful number, since it uses less digits than its factorization.

22220244004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653307 (or 653305 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22220244004 its reverse (40044202222), we get a palindrome (62264446226).

The spelling of 22220244004 in words is "twenty-two billion, two hundred twenty million, two hundred forty-four thousand, four".