22012012010 has 8 divisors (see below), whose sum is σ = 39621621636. Its totient is φ = 8804804800.

The previous prime is 22012011997. The next prime is 22012012027. The reversal of 22012012010 is 1021021022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21952274569 + 59737441 = 148163^2 + 7729^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22012011982 and 22012012000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100600591 + ... + 1100600610.

Almost surely, 2^22012012010 is an apocalyptic number.

22012012010 is a deficient number, since it is larger than the sum of its proper divisors (17609609626).

22012012010 is a wasteful number, since it uses less digits than its factorization.

22012012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2201201208.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22012012010 its reverse (1021021022), we get a palindrome (23033033032).

The spelling of 22012012010 in words is "twenty-two billion, twelve million, twelve thousand, ten".