1012211222 has 12 divisors (see below), whose sum is σ = 1668894108. Its totient is φ = 460095900.

The previous prime is 1012211197. The next prime is 1012211227. The reversal of 1012211222 is 2221122101.

1012211222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1012211197 and 1012211206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012211227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2091104 + ... + 2091587.

It is an arithmetic number, because the mean of its divisors is an integer number (139074509).

Almost surely, 2^1012211222 is an apocalyptic number.

1012211222 is a deficient number, since it is larger than the sum of its proper divisors (656682886).

1012211222 is a wasteful number, since it uses less digits than its factorization.

1012211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4182715 (or 4182704 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1012211222 is about 31815.2671213051. The cubic root of 1012211222 is about 1004.0539506096.

Adding to 1012211222 its reverse (2221122101), we get a palindrome (3233333323).

The spelling of 1012211222 in words is "one billion, twelve million, two hundred eleven thousand, two hundred twenty-two".