22123210322222 has 4 divisors (see below), whose sum is σ = 33184815483336. Its totient is φ = 11061605161110.

The previous prime is 22123210322209. The next prime is 22123210322237. The reversal of 22123210322222 is 22222301232122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×22123210322222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22123210322191 and 22123210322200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530802580554 + ... + 5530802580557.

It is an arithmetic number, because the mean of its divisors is an integer number (8296203870834).

Almost surely, 2^{22123210322222} is an apocalyptic number.

22123210322222 is a deficient number, since it is larger than the sum of its proper divisors (11061605161114).

22123210322222 is a wasteful number, since it uses less digits than its factorization.

22123210322222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11061605161113.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 22123210322222 its reverse (22222301232122), we get a palindrome (44345511554344).

The spelling of 22123210322222 in words is "twenty-two trillion, one hundred twenty-three billion, two hundred ten million, three hundred twenty-two thousand, two hundred twenty-two".