361822212 has 144 divisors (see below), whose sum is σ = 990662400. Its totient is φ = 111121920.

The previous prime is 361822207. The next prime is 361822277. The reversal of 361822212 is 212228163.

361822212 is a `hidden beast` number, since 3 + 618 + 22 + 21 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3381463 + ... + 3381569.

It is an arithmetic number, because the mean of its divisors is an integer number (6879600).

Almost surely, 2^361822212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 361822212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (495331200).

361822212 is an abundant number, since it is smaller than the sum of its proper divisors (628840188).

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

361822212 is a wasteful number, since it uses less digits than its factorization.

361822212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 261 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 361822212 is about 19021.6248517313. The cubic root of 361822212 is about 712.5769032412.

The spelling of 361822212 in words is "three hundred sixty-one million, eight hundred twenty-two thousand, two hundred twelve".