1011222222 has 8 divisors (see below), whose sum is σ = 2022444456. Its totient is φ = 337074072.

The previous prime is 1011222217. The next prime is 1011222239. The reversal of 1011222222 is 2222221101.

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

1011222222 is an admirable number.

1011222222 is a modest number, since divided by 22222 gives 10112 as remainder.

It is a congruent number.

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, 84268513 + ... + 84268524.

It is an arithmetic number, because the mean of its divisors is an integer number (252805557).

Almost surely, 2^1011222222 is an apocalyptic number.

1011222222 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.

1011222222 is a wasteful number, since it uses less digits than its factorization.

1011222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168537042.

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

The square root of 1011222222 is about 31799.7204704695. The cubic root of 1011222222 is about 1003.7268341197.

Adding to 1011222222 its reverse (2222221101), we get a palindrome (3233443323).

The spelling of 1011222222 in words is "one billion, eleven million, two hundred twenty-two thousand, two hundred twenty-two".