22224224002 has 4 divisors (see below), whose sum is σ = 33336336006. Its totient is φ = 11112112000.

The previous prime is 22224223999. The next prime is 22224224021. The reversal of 22224224002 is 20042242222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18975338001 + 3248886001 = 137751^2 + 56999^2 .

It is a super-2 number, since 2×22224224002² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 5556055999 + ... + 5556056002.

Almost surely, 2^22224224002 is an apocalyptic number.

22224224002 is a deficient number, since it is larger than the sum of its proper divisors (11112112004).

22224224002 is a wasteful number, since it uses less digits than its factorization.

22224224002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112112003.

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

Adding to 22224224002 its reverse (20042242222), we get a palindrome (42266466224).

It can be divided in two parts, 2222 and 4224002, that added together give a palindrome (4226224).

The spelling of 22224224002 in words is "twenty-two billion, two hundred twenty-four million, two hundred twenty-four thousand, two".