1012212222 has 16 divisors (see below), whose sum is σ = 2313628032. Its totient is φ = 289203480.

The previous prime is 1012212211. The next prime is 1012212247. The reversal of 1012212222 is 2222122101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12050104 + ... + 12050187.

It is an arithmetic number, because the mean of its divisors is an integer number (144601752).

Almost surely, 2^1012212222 is an apocalyptic number.

1012212222 is an abundant number, since it is smaller than the sum of its proper divisors (1301415810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012212222 is a wasteful number, since it uses less digits than its factorization.

1012212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24100303.

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

The square root of 1012212222 is about 31815.2828370266. The cubic root of 1012212222 is about 1004.0542812565.

Adding to 1012212222 its reverse (2222122101), we get a palindrome (3234334323).

The spelling of 1012212222 in words is "one billion, twelve million, two hundred twelve thousand, two hundred twenty-two".