181222482 has 96 divisors (see below), whose sum is σ = 452096640. Its totient is φ = 48115200.

The previous prime is 181222469. The next prime is 181222487. The reversal of 181222482 is 284222181.

181222482 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (181222487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 504619 + ... + 504977.

It is an arithmetic number, because the mean of its divisors is an integer number (4709340).

Almost surely, 2^181222482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 181222482, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226048320).

181222482 is an abundant number, since it is smaller than the sum of its proper divisors (270874158).

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

181222482 is a wasteful number, since it uses less digits than its factorization.

181222482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 489 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 181222482 is about 13461.8899861795. The cubic root of 181222482 is about 565.8969562733.

The spelling of 181222482 in words is "one hundred eighty-one million, two hundred twenty-two thousand, four hundred eighty-two".