22221200212222 has 8 divisors (see below), whose sum is σ = 36361963983672. Its totient is φ = 10100545551000.

The previous prime is 22221200212213. The next prime is 22221200212241.

22221200212222 is nontrivially palindromic in base 10.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 1010054555101 = 22221200212222 / (2 + 2 + 2 + 2 + 1 + 2 + 0 + 0 + 2 + 1 + 2 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 22221200212193 and 22221200212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505027277529 + ... + 505027277572.

It is an arithmetic number, because the mean of its divisors is an integer number (4545245497959).

Almost surely, 2^{22221200212222} is an apocalyptic number.

22221200212222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22221200212222 is a deficient number, since it is larger than the sum of its proper divisors (14140763771450).

22221200212222 is a wasteful number, since it uses less digits than its factorization.

22221200212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010054555114.

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

Multiplying 22221200212222 by its sum of digits (22), we get a palindrome (488866404668884).

It can be divided in two parts, 22221200 and 212222, that added together give a palindrome (22433422).

The spelling of 22221200212222 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred million, two hundred twelve thousand, two hundred twenty-two".