22122000002 has 4 divisors (see below), whose sum is σ = 33183000006. Its totient is φ = 11061000000.

The previous prime is 22121999969. The next prime is 22122000011. The reversal of 22122000002 is 20000022122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20000022122 = 2 ⋅10000011061.

It can be written as a sum of positive squares in only one way, i.e., 20845295641 + 1276704361 = 144379^2 + 35731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530499999 + ... + 5530500002.

Almost surely, 2^22122000002 is an apocalyptic number.

22122000002 is a deficient number, since it is larger than the sum of its proper divisors (11061000004).

22122000002 is a wasteful number, since it uses less digits than its factorization.

22122000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061000003.

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

Adding to 22122000002 its reverse (20000022122), we get a palindrome (42122022124).

The spelling of 22122000002 in words is "twenty-two billion, one hundred twenty-two million, two", and thus it is an aban number.