36687222 has 64 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 10260000.

The previous prime is 36687199. The next prime is 36687247. The reversal of 36687222 is 22278663.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5347 + ... + 10097.

It is an arithmetic number, because the mean of its divisors is an integer number (1496880).

Almost surely, 2^36687222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36687222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47900160).

36687222 is an abundant number, since it is smaller than the sum of its proper divisors (59113098).

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

36687222 is a wasteful number, since it uses less digits than its factorization.

36687222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786 (or 4780 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 36687222 is about 6056.9977711734. The cubic root of 36687222 is about 332.2805667703.

The spelling of 36687222 in words is "thirty-six million, six hundred eighty-seven thousand, two hundred twenty-two".