1200023222 has 8 divisors (see below), whose sum is σ = 1800613416. Its totient is φ = 599818752.

The previous prime is 1200023179. The next prime is 1200023239. The reversal of 1200023222 is 2223200021.

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

It is a super-2 number, since 2×1200023222² = 2880111466678522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1200023197 and 1200023206.

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 3 ways as a sum of consecutive naturals, for example, 88523 + ... + 101174.

It is an arithmetic number, because the mean of its divisors is an integer number (225076677).

Almost surely, 2^1200023222 is an apocalyptic number.

1200023222 is a deficient number, since it is larger than the sum of its proper divisors (600590194).

1200023222 is a wasteful number, since it uses less digits than its factorization.

1200023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192862.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1200023222 is about 34641.3513304548. The cubic root of 1200023222 is about 1062.6654238765.

Adding to 1200023222 its reverse (2223200021), we get a palindrome (3423223243).

The spelling of 1200023222 in words is "one billion, two hundred million, twenty-three thousand, two hundred twenty-two".