122221122 has 8 divisors (see below), whose sum is σ = 244442256. Its totient is φ = 40740372.

The previous prime is 122221087. The next prime is 122221147. The reversal of 122221122 is 221122221.

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

122221122 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

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, 10185088 + ... + 10185099.

It is an arithmetic number, because the mean of its divisors is an integer number (30555282).

Almost surely, 2^122221122 is an apocalyptic number.

122221122 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.

122221122 is a wasteful number, since it uses less digits than its factorization.

122221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370192.

The product of its digits is 64, while the sum is 15.

The square root of 122221122 is about 11055.3662083171. The cubic root of 122221122 is about 496.2670285405.

Adding to 122221122 its reverse (221122221), we get a palindrome (343343343).

The spelling of 122221122 in words is "one hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".