22222101012222 has 8 divisors (see below), whose sum is σ = 44444202024456. Its totient is φ = 7407367004072.

The previous prime is 22222101012193. The next prime is 22222101012277. The reversal of 22222101012222 is 22221010122222.

It is a sphenic number, since it is the product of 3 distinct primes.

22222101012222 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1851841751013 + ... + 1851841751024.

It is an arithmetic number, because the mean of its divisors is an integer number (5555525253057).

Almost surely, 2^{22222101012222} is an apocalyptic number.

22222101012222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22222101012222 is a wasteful number, since it uses less digits than its factorization.

22222101012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3703683502042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22222101012222 its reverse (22221010122222), we get a palindrome (44443111134444).

It can be divided in two parts, 2 and 2222101012222, that multiplied together give a palindrome (4444202024444).

The spelling of 22222101012222 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, twelve thousand, two hundred twenty-two".