36220784 has 20 divisors (see below), whose sum is σ = 70836984. Its totient is φ = 17940288.

The previous prime is 36220777. The next prime is 36220787. The reversal of 36220784 is 48702263.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 36220784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36220787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8867 + ... + 12290.

Almost surely, 2^36220784 is an apocalyptic number.

It is an amenable number.

36220784 is a deficient number, since it is larger than the sum of its proper divisors (34616200).

36220784 is a wasteful number, since it uses less digits than its factorization.

36220784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21272 (or 21266 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 36220784 is about 6018.3705435940. The cubic root of 36220784 is about 330.8663614125.

The spelling of 36220784 in words is "thirty-six million, two hundred twenty thousand, seven hundred eighty-four".