22222120022010 has 24 divisors (see below), whose sum is σ = 57777512057460. Its totient is φ = 5925898672512.

The previous prime is 22222120021999. The next prime is 22222120022027. The reversal of 22222120022010 is 1022002122222.

22222120022010 is a `hidden beast` number, since 2 + 22 + 221 + 200 + 220 + 1 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19510410209481 + 2711709812529 = 4417059^2 + 1646727^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123456222255 + ... + 123456222434.

Almost surely, 2^{22222120022010} is an apocalyptic number.

22222120022010 is an abundant number, since it is smaller than the sum of its proper divisors (35555392035450).

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

22222120022010 is a wasteful number, since it uses less digits than its factorization.

22222120022010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246912444702 (or 246912444699 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22222120022010 its reverse (1022002122222), we get a palindrome (23244122144232).

The spelling of 22222120022010 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty million, twenty-two thousand, ten".