36847221 has 8 divisors (see below), whose sum is σ = 49220064. Its totient is φ = 24519600.

The previous prime is 36847207. The next prime is 36847229. The reversal of 36847221 is 12274863.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36847221 - 2¹⁴ = 36830837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36847229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355 + ... + 12696.

It is an arithmetic number, because the mean of its divisors is an integer number (6152508).

Almost surely, 2^36847221 is an apocalyptic number.

It is an amenable number.

36847221 is a deficient number, since it is larger than the sum of its proper divisors (12372843).

36847221 is a wasteful number, since it uses less digits than its factorization.

36847221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611.

The product of its digits is 16128, while the sum is 33.

The square root of 36847221 is about 6070.1911831507. The cubic root of 36847221 is about 332.7629096294.

The spelling of 36847221 in words is "thirty-six million, eight hundred forty-seven thousand, two hundred twenty-one".