22001111222 has 4 divisors (see below), whose sum is σ = 33001666836. Its totient is φ = 11000555610.

The previous prime is 22001111201. The next prime is 22001111243. The reversal of 22001111222 is 22211110022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22211110022 = 2 ⋅11105555011.

It is an interprime number because it is at equal distance from previous prime (22001111201) and next prime (22001111243).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 22001111197 and 22001111206.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5500277804 + ... + 5500277807.

It is an arithmetic number, because the mean of its divisors is an integer number (8250416709).

Almost surely, 2^22001111222 is an apocalyptic number.

22001111222 is a deficient number, since it is larger than the sum of its proper divisors (11000555614).

22001111222 is a wasteful number, since it uses less digits than its factorization.

22001111222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000555613.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22001111222 its reverse (22211110022), we get a palindrome (44212221244).

The spelling of 22001111222 in words is "twenty-two billion, one million, one hundred eleven thousand, two hundred twenty-two".