22001220010 has 96 divisors (see below), whose sum is σ = 50373316800. Its totient is φ = 6841497600.

The previous prime is 22001220001. The next prime is 22001220037. The reversal of 22001220010 is 1002210022.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2415565 + ... + 2424655.

It is an arithmetic number, because the mean of its divisors is an integer number (524722050).

Almost surely, 2^22001220010 is an apocalyptic number.

22001220010 is an abundant number, since it is smaller than the sum of its proper divisors (28372096790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22001220010 is a wasteful number, since it uses less digits than its factorization.

22001220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9572 (or 9565 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22001220010 its reverse (1002210022), we get a palindrome (23003430032).

The spelling of 22001220010 in words is "twenty-two billion, one million, two hundred twenty thousand, ten".