1012122222 has 16 divisors (see below), whose sum is σ = 2112255360. Its totient is φ = 322705592.

The previous prime is 1012122203. The next prime is 1012122227. The reversal of 1012122222 is 2222212101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012122227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666972 + ... + 3667247.

It is an arithmetic number, because the mean of its divisors is an integer number (132015960).

Almost surely, 2^1012122222 is an apocalyptic number.

1012122222 is an abundant number, since it is smaller than the sum of its proper divisors (1100133138).

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

1012122222 is a wasteful number, since it uses less digits than its factorization.

1012122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334247.

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

The square root of 1012122222 is about 31813.8683910021. The cubic root of 1012122222 is about 1004.0245221600.

Adding to 1012122222 its reverse (2222212101), we get a palindrome (3234334323).

The spelling of 1012122222 in words is "one billion, twelve million, one hundred twenty-two thousand, two hundred twenty-two".