22221222000010 has 192 divisors, whose sum is σ = 45339505317792. Its totient is φ = 7832816640000.

The previous prime is 22221222000001. The next prime is 22221222000023. The reversal of 22221222000010 is 1000022212222.

It can be written as a sum of positive squares in 16 ways, for example, as 15200009840961 + 7021212159049 = 3898719^2 + 2649757^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1222213120 + ... + 1222231300.

Almost surely, 2^{22221222000010} is an apocalyptic number.

22221222000010 is an abundant number, since it is smaller than the sum of its proper divisors (23118283317782).

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

22221222000010 is a wasteful number, since it uses less digits than its factorization.

22221222000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521 (or 18510 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22221222000010 its reverse (1000022212222), we get a palindrome (23221244212232).

It can be divided in two parts, 222212 and 22000010, that added together give a palindrome (22222222).

The spelling of 22221222000010 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred twenty-two million, ten", and thus it is an aban number.