22001330001222 has 48 divisors (see below), whose sum is σ = 56003385464208. Its totient is φ = 6154218181440.

The previous prime is 22001330001221. The next prime is 22001330001247. The reversal of 22001330001222 is 22210003310022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22001330001195 and 22001330001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001330001221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4273760053 + ... + 4273765200.

It is an arithmetic number, because the mean of its divisors is an integer number (1166737197171).

Almost surely, 2^{22001330001222} is an apocalyptic number.

22001330001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22001330001222 is an abundant number, since it is smaller than the sum of its proper divisors (34002055462986).

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

22001330001222 is a wasteful number, since it uses less digits than its factorization.

22001330001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8547525285 (or 8547525282 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22001330001222 its reverse (22210003310022), we get a palindrome (44211333311244).

The spelling of 22001330001222 in words is "twenty-two trillion, one billion, three hundred thirty million, one thousand, two hundred twenty-two".