1201220222 has 16 divisors (see below), whose sum is σ = 1846851072. Its totient is φ = 585650520.

The previous prime is 1201220203. The next prime is 1201220231. The reversal of 1201220222 is 2220221021.

It is a junction number, because it is equal to n+sod(n) for n = 1201220197 and 1201220206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40697 + ... + 63707.

It is an arithmetic number, because the mean of its divisors is an integer number (115428192).

Almost surely, 2^1201220222 is an apocalyptic number.

1201220222 is a deficient number, since it is larger than the sum of its proper divisors (645630850).

1201220222 is a wasteful number, since it uses less digits than its factorization.

1201220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23663.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1201220222 is about 34658.6240638604. The cubic root of 1201220222 is about 1063.0186358778.

Adding to 1201220222 its reverse (2220221021), we get a palindrome (3421441243).

The spelling of 1201220222 in words is "one billion, two hundred one million, two hundred twenty thousand, two hundred twenty-two".