122242222 has 8 divisors (see below), whose sum is σ = 183410856. Its totient is φ = 61105272.

The previous prime is 122242193. The next prime is 122242259. The reversal of 122242222 is 222242221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122242222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8713 + ... + 17899.

It is an arithmetic number, because the mean of its divisors is an integer number (22926357).

Almost surely, 2^122242222 is an apocalyptic number.

122242222 is a deficient number, since it is larger than the sum of its proper divisors (61168634).

122242222 is an equidigital number, since it uses as much as digits as its factorization.

122242222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15842.

The product of its digits is 512, while the sum is 19.

The square root of 122242222 is about 11056.3204548349. The cubic root of 122242222 is about 496.2955850660.

Adding to 122242222 its reverse (222242221), we get a palindrome (344484443).

Subtracting 122242222 from its reverse (222242221), we obtain a palindrome (99999999).

The spelling of 122242222 in words is "one hundred twenty-two million, two hundred forty-two thousand, two hundred twenty-two".