22222122001222 has 16 divisors (see below), whose sum is σ = 39160662548112. Its totient is φ = 9323967273120.

The previous prime is 22222122001217. The next prime is 22222122001241. The reversal of 22222122001222 is 22210022122222.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22222122001193 and 22222122001202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38849863353 + ... + 38849863924.

It is an arithmetic number, because the mean of its divisors is an integer number (2447541409257).

Almost surely, 2^{22222122001222} is an apocalyptic number.

22222122001222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22222122001222 is a deficient number, since it is larger than the sum of its proper divisors (16938540546890).

22222122001222 is a wasteful number, since it uses less digits than its factorization.

22222122001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77699727303.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 22222122001222 its reverse (22210022122222), we get a palindrome (44432144123444).

The spelling of 22222122001222 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-two million, one thousand, two hundred twenty-two".