36181222 has 32 divisors (see below), whose sum is σ = 68350464. Its totient is φ = 13953600.

The previous prime is 36181207. The next prime is 36181237. The reversal of 36181222 is 22218163.

It is an interprime number because it is at equal distance from previous prime (36181207) and next prime (36181237).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14722 + ... + 17002.

It is an arithmetic number, because the mean of its divisors is an integer number (2135952).

Almost surely, 2^36181222 is an apocalyptic number.

36181222 is a deficient number, since it is larger than the sum of its proper divisors (32169242).

36181222 is a wasteful number, since it uses less digits than its factorization.

36181222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2404.

The product of its digits is 1152, while the sum is 25.

The square root of 36181222 is about 6015.0828755720. The cubic root of 36181222 is about 330.7458550606.

Adding to 36181222 its reverse (22218163), we get a palindrome (58399385).

The spelling of 36181222 in words is "thirty-six million, one hundred eighty-one thousand, two hundred twenty-two".