1012222222 has 8 divisors (see below), whose sum is σ = 1656363672. Its totient is φ = 460101000.

The previous prime is 1012222219. The next prime is 1012222223. The reversal of 1012222222 is 2222222101.

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

1012222222 is a modest number, since divided by 22222 gives 10122 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1012222196 and 1012222205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012222223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23005029 + ... + 23005072.

It is an arithmetic number, because the mean of its divisors is an integer number (207045459).

Almost surely, 2^1012222222 is an apocalyptic number.

1012222222 is a deficient number, since it is larger than the sum of its proper divisors (644141450).

1012222222 is a wasteful number, since it uses less digits than its factorization.

1012222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46010114.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1012222222 is about 31815.4399938143. The cubic root of 1012222222 is about 1004.0575877139.

Adding to 1012222222 its reverse (2222222101), we get a palindrome (3234444323).

It can be divided in two parts, 101 and 2222222, that multiplied together give a palindrome (224444422).

The spelling of 1012222222 in words is "one billion, twelve million, two hundred twenty-two thousand, two hundred twenty-two".