1122400222 has 8 divisors (see below), whose sum is σ = 1694324376. Its totient is φ = 557625432.

The previous prime is 1122400187. The next prime is 1122400261. The reversal of 1122400222 is 2220042211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1122400196 and 1122400205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786948 + ... + 1787575.

It is an arithmetic number, because the mean of its divisors is an integer number (211790547).

Almost surely, 2^1122400222 is an apocalyptic number.

1122400222 is a deficient number, since it is larger than the sum of its proper divisors (571924154).

1122400222 is a wasteful number, since it uses less digits than its factorization.

1122400222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3574682.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1122400222 is about 33502.2420443767. The cubic root of 1122400222 is about 1039.2401445427.

Adding to 1122400222 its reverse (2220042211), we get a palindrome (3342442433).

The spelling of 1122400222 in words is "one billion, one hundred twenty-two million, four hundred thousand, two hundred twenty-two".