136605222 has 24 divisors (see below), whose sum is σ = 318746064. Its totient is φ = 42032304.

The previous prime is 136605199. The next prime is 136605233. The reversal of 136605222 is 222506631.

136605222 is a `hidden beast` number, since 1 + 36 + 605 + 2 + 22 = 666.

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 11 ways as a sum of consecutive naturals, for example, 291658 + ... + 292125.

It is an arithmetic number, because the mean of its divisors is an integer number (13281086).

Almost surely, 2^136605222 is an apocalyptic number.

136605222 is an abundant number, since it is smaller than the sum of its proper divisors (182140842).

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

136605222 is a wasteful number, since it uses less digits than its factorization.

136605222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583804 (or 583801 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 136605222 is about 11687.8236639676. The cubic root of 136605222 is about 515.0180306001.

The spelling of 136605222 in words is "one hundred thirty-six million, six hundred five thousand, two hundred twenty-two".