36666219 has 16 divisors (see below), whose sum is σ = 52234880. Its totient is φ = 22809600.

The previous prime is 36666197. The next prime is 36666239. The reversal of 36666219 is 91266663.

It is a happy number.

It is not a de Polignac number, because 36666219 - 2⁵ = 36666187 is a prime.

It is a super-2 number, since 2×36666219² = 2688823231511922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36666239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 982 + ... + 8619.

It is an arithmetic number, because the mean of its divisors is an integer number (3264680).

Almost surely, 2^36666219 is an apocalyptic number.

36666219 is a deficient number, since it is larger than the sum of its proper divisors (15568661).

36666219 is a wasteful number, since it uses less digits than its factorization.

36666219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690.

The product of its digits is 69984, while the sum is 39.

The square root of 36666219 is about 6055.2637432237. The cubic root of 36666219 is about 332.2171457701.

The spelling of 36666219 in words is "thirty-six million, six hundred sixty-six thousand, two hundred nineteen".