1000120222 has 4 divisors (see below), whose sum is σ = 1500180336. Its totient is φ = 500060110.

The previous prime is 1000120181. The next prime is 1000120243. The reversal of 1000120222 is 2220210001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000120199 and 1000120208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250030054 + ... + 250030057.

It is an arithmetic number, because the mean of its divisors is an integer number (375045084).

Almost surely, 2^1000120222 is an apocalyptic number.

1000120222 is a deficient number, since it is larger than the sum of its proper divisors (500060114).

1000120222 is an equidigital number, since it uses as much as digits as its factorization.

1000120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500060113.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1000120222 is about 31624.6774212797. The cubic root of 1000120222 is about 1000.0400723942.

Adding to 1000120222 its reverse (2220210001), we get a palindrome (3220330223).

The spelling of 1000120222 in words is "one billion, one hundred twenty thousand, two hundred twenty-two".