1121022222 has 8 divisors (see below), whose sum is σ = 2242044456. Its totient is φ = 373674072.

The previous prime is 1121022209. The next prime is 1121022223. The reversal of 1121022222 is 2222201211.

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

1121022222 is an admirable number.

1121022222 is a modest number, since divided by 22222 gives 11210 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121022223) by changing a digit.

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, 93418513 + ... + 93418524.

It is an arithmetic number, because the mean of its divisors is an integer number (280255557).

Almost surely, 2^1121022222 is an apocalyptic number.

1121022222 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.

1121022222 is a wasteful number, since it uses less digits than its factorization.

1121022222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186837042.

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

The square root of 1121022222 is about 33481.6699404316. The cubic root of 1121022222 is about 1038.8146696376.

Adding to 1121022222 its reverse (2222201211), we get a palindrome (3343223433).

The spelling of 1121022222 in words is "one billion, one hundred twenty-one million, twenty-two thousand, two hundred twenty-two".