10222120008 has 48 divisors (see below), whose sum is σ = 27689659920. Its totient is φ = 3406788576.

The previous prime is 10222120001. The next prime is 10222120037. The reversal of 10222120008 is 80002122201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10222120001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686935 + ... + 701657.

It is an arithmetic number, because the mean of its divisors is an integer number (576867915).

Almost surely, 2^10222120008 is an apocalyptic number.

10222120008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10222120008 is an abundant number, since it is smaller than the sum of its proper divisors (17467539912).

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

10222120008 is a wasteful number, since it uses less digits than its factorization.

10222120008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24378 (or 24371 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 10222120008 its reverse (80002122201), we get a palindrome (90224242209).

The spelling of 10222120008 in words is "ten billion, two hundred twenty-two million, one hundred twenty thousand, eight".