22240312004 has 6 divisors (see below), whose sum is σ = 38920546014. Its totient is φ = 11120156000.

The previous prime is 22240311979. The next prime is 22240312099. The reversal of 22240312004 is 40021304222.

It can be written as a sum of positive squares in only one way, i.e., 14913294400 + 7327017604 = 122120^2 + 85598^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780038997 + ... + 2780039004.

It is an arithmetic number, because the mean of its divisors is an integer number (6486757669).

Almost surely, 2^22240312004 is an apocalyptic number.

It is an amenable number.

22240312004 is a deficient number, since it is larger than the sum of its proper divisors (16680234010).

22240312004 is a wasteful number, since it uses less digits than its factorization.

22240312004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560078005 (or 5560078003 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22240312004 its reverse (40021304222), we get a palindrome (62261616226).

The spelling of 22240312004 in words is "twenty-two billion, two hundred forty million, three hundred twelve thousand, four".