36227999 has 4 divisors (see below), whose sum is σ = 36359064. Its totient is φ = 36096936.

The previous prime is 36227981. The next prime is 36228001. The reversal of 36227999 is 99972263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99972263 = 193 ⋅517991.

It is a cyclic number.

It is not a de Polignac number, because 36227999 - 2⁸ = 36227743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36227909) 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, 65117 + ... + 65670.

It is an arithmetic number, because the mean of its divisors is an integer number (9089766).

Almost surely, 2^36227999 is an apocalyptic number.

36227999 is a deficient number, since it is larger than the sum of its proper divisors (131065).

36227999 is a wasteful number, since it uses less digits than its factorization.

36227999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131064.

The product of its digits is 367416, while the sum is 47.

The square root of 36227999 is about 6018.9699284844. The cubic root of 36227999 is about 330.8883289317. Note that the first 3 decimals are identical.

The spelling of 36227999 in words is "thirty-six million, two hundred twenty-seven thousand, nine hundred ninety-nine".