22000010212222 has 32 divisors (see below), whose sum is σ = 37750693800960. Its totient is φ = 9419481883680.

The previous prime is 22000010212177. The next prime is 22000010212223. The reversal of 22000010212222 is 22221201000022.

It is a junction number, because it is equal to n+sod(n) for n = 22000010212196 and 22000010212205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000010212223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71898429 + ... + 72203767.

It is an arithmetic number, because the mean of its divisors is an integer number (1179709181280).

Almost surely, 2^{22000010212222} is an apocalyptic number.

22000010212222 is a deficient number, since it is larger than the sum of its proper divisors (15750683588738).

22000010212222 is a wasteful number, since it uses less digits than its factorization.

22000010212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310296.

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

Adding to 22000010212222 its reverse (22221201000022), we get a palindrome (44221211212244).

The spelling of 22000010212222 in words is "twenty-two trillion, ten million, two hundred twelve thousand, two hundred twenty-two".