36224947 has 4 divisors (see below), whose sum is σ = 39518136. Its totient is φ = 32931760.

The previous prime is 36224939. The next prime is 36224959. The reversal of 36224947 is 74942263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74942263 = 11 ⋅6812933.

It is a cyclic number.

It is not a de Polignac number, because 36224947 - 2³ = 36224939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36224927) 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, 1646578 + ... + 1646599.

It is an arithmetic number, because the mean of its divisors is an integer number (9879534).

Almost surely, 2^36224947 is an apocalyptic number.

36224947 is a deficient number, since it is larger than the sum of its proper divisors (3293189).

36224947 is a wasteful number, since it uses less digits than its factorization.

36224947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293188.

The product of its digits is 72576, while the sum is 37.

The square root of 36224947 is about 6018.7163913911. The cubic root of 36224947 is about 330.8790368596.

The spelling of 36224947 in words is "thirty-six million, two hundred twenty-four thousand, nine hundred forty-seven".