22022001002 has 8 divisors (see below), whose sum is σ = 33105285156. Its totient is φ = 10986905952.

The previous prime is 22022000989. The next prime is 22022001007. The reversal of 22022001002 is 20010022022.

It can be written as a sum of positive squares in 2 ways, for example, as 17226300001 + 4795701001 = 131249^2 + 69251^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22022001007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12046133 + ... + 12047960.

Almost surely, 2^22022001002 is an apocalyptic number.

22022001002 is a deficient number, since it is larger than the sum of its proper divisors (11083284154).

22022001002 is a wasteful number, since it uses less digits than its factorization.

22022001002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24094552.

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

Adding to 22022001002 its reverse (20010022022), we get a palindrome (42032023024).

The spelling of 22022001002 in words is "twenty-two billion, twenty-two million, one thousand, two".