22220010002 has 8 divisors (see below), whose sum is σ = 33332532156. Its totient is φ = 11109165952.

The previous prime is 22220009951. The next prime is 22220010011. The reversal of 22220010002 is 20001002222.

It can be written as a sum of positive squares in 2 ways, for example, as 15440299081 + 6779710921 = 124259^2 + 82339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385883 + ... + 439710.

Almost surely, 2^22220010002 is an apocalyptic number.

22220010002 is a deficient number, since it is larger than the sum of its proper divisors (11112522154).

22220010002 is a wasteful number, since it uses less digits than its factorization.

22220010002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839052.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22220010002 its reverse (20001002222), we get a palindrome (42221012224).

The spelling of 22220010002 in words is "twenty-two billion, two hundred twenty million, ten thousand, two".