1120001222 has 4 divisors (see below), whose sum is σ = 1680001836. Its totient is φ = 560000610.

The previous prime is 1120001209. The next prime is 1120001237. The reversal of 1120001222 is 2221000211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2221000211 = 7057 ⋅314723.

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, 280000304 + ... + 280000307.

It is an arithmetic number, because the mean of its divisors is an integer number (420000459).

Almost surely, 2^1120001222 is an apocalyptic number.

1120001222 is a deficient number, since it is larger than the sum of its proper divisors (560000614).

1120001222 is an equidigital number, since it uses as much as digits as its factorization.

1120001222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560000613.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1120001222 is about 33466.4193184750. The cubic root of 1120001222 is about 1038.4991980622.

Adding to 1120001222 its reverse (2221000211), we get a palindrome (3341001433).

The spelling of 1120001222 in words is "one billion, one hundred twenty million, one thousand, two hundred twenty-two".