1222110450 has 384 divisors, whose sum is σ = 4011171840. Its totient is φ = 270259200.

The previous prime is 1222110437. The next prime is 1222110473. The reversal of 1222110450 is 540112221.

1222110450 is a `hidden beast` number, since 1 + 2 + 2 + 211 + 0 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11865099 + ... + 11865201.

It is an arithmetic number, because the mean of its divisors is an integer number (10445760).

Almost surely, 2^1222110450 is an apocalyptic number.

1222110450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222110450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2005585920).

1222110450 is an abundant number, since it is smaller than the sum of its proper divisors (2789061390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222110450 is a wasteful number, since it uses less digits than its factorization.

1222110450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1222110450 is about 34958.6963429702. The cubic root of 1222110450 is about 1069.1455168923.

Adding to 1222110450 its reverse (540112221), we get a palindrome (1762222671).

The spelling of 1222110450 in words is "one billion, two hundred twenty-two million, one hundred ten thousand, four hundred fifty".