112221450 has 180 divisors, whose sum is σ = 344229270. Its totient is φ = 27086400.

The previous prime is 112221433. The next prime is 112221479. The reversal of 112221450 is 54122211.

It can be written as a sum of positive squares in 3 ways, for example, as 103978809 + 8242641 = 10197^2 + 2871^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 489936 + ... + 490164.

Almost surely, 2^112221450 is an apocalyptic number.

112221450 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 112221450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172114635).

112221450 is an abundant number, since it is smaller than the sum of its proper divisors (232007820).

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

112221450 is a wasteful number, since it uses less digits than its factorization.

112221450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275 (or 250 counting only the distinct ones).

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

The square root of 112221450 is about 10593.4626067212. The cubic root of 112221450 is about 482.3459377300.

Adding to 112221450 its reverse (54122211), we get a palindrome (166343661).

The spelling of 112221450 in words is "one hundred twelve million, two hundred twenty-one thousand, four hundred fifty".