36012222 has 32 divisors (see below), whose sum is σ = 84736800. Its totient is φ = 11297664.

The previous prime is 36012217. The next prime is 36012269. The reversal of 36012222 is 22221063.

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

It is a junction number, because it is equal to n+sod(n) for n = 36012195 and 36012204.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 18697 + ... + 20532.

It is an arithmetic number, because the mean of its divisors is an integer number (2648025).

Almost surely, 2^36012222 is an apocalyptic number.

36012222 is an abundant number, since it is smaller than the sum of its proper divisors (48724578).

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

36012222 is a wasteful number, since it uses less digits than its factorization.

36012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39257 (or 39251 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 36012222 is about 6001.0184135695. The cubic root of 36012222 is about 330.2300874716.

Adding to 36012222 its reverse (22221063), we get a palindrome (58233285).

The spelling of 36012222 in words is "thirty-six million, twelve thousand, two hundred twenty-two".