1222222022 has 8 divisors (see below), whose sum is σ = 2095237776. Its totient is φ = 523809432.

The previous prime is 1222222007. The next prime is 1222222031. The reversal of 1222222022 is 2202222221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43650773 + ... + 43650800.

It is an arithmetic number, because the mean of its divisors is an integer number (261904722).

Almost surely, 2^1222222022 is an apocalyptic number.

1222222022 is a deficient number, since it is larger than the sum of its proper divisors (873015754).

1222222022 is an equidigital number, since it uses as much as digits as its factorization.

1222222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87301582.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1222222022 is about 34960.2920754390. The cubic root of 1222222022 is about 1069.1780516150.

Adding to 1222222022 its reverse (2202222221), we get a palindrome (3424444243).

The spelling of 1222222022 in words is "one billion, two hundred twenty-two million, two hundred twenty-two thousand, twenty-two".