36442229 has 4 divisors (see below), whose sum is σ = 36881376. Its totient is φ = 36003084.

The previous prime is 36442223. The next prime is 36442253. The reversal of 36442229 is 92224463.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36442229 - 2⁴ = 36442213 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 36442195 and 36442204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36442223) 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, 219449 + ... + 219614.

It is an arithmetic number, because the mean of its divisors is an integer number (9220344).

Almost surely, 2^36442229 is an apocalyptic number.

It is an amenable number.

36442229 is a deficient number, since it is larger than the sum of its proper divisors (439147).

36442229 is an equidigital number, since it uses as much as digits as its factorization.

36442229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439146.

The product of its digits is 20736, while the sum is 32.

The square root of 36442229 is about 6036.7399314531. The cubic root of 36442229 is about 331.5392705620.

The spelling of 36442229 in words is "thirty-six million, four hundred forty-two thousand, two hundred twenty-nine".