36644233 has 2 divisors, whose sum is σ = 36644234. Its totient is φ = 36644232.

The previous prime is 36644219. The next prime is 36644239. The reversal of 36644233 is 33244663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20548089 + 16096144 = 4533^2 + 4012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36644233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 36644195 and 36644204.

It is not a weakly prime, because it can be changed into another prime (36644239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18322116 + 18322117.

It is an arithmetic number, because the mean of its divisors is an integer number (18322117).

Almost surely, 2^36644233 is an apocalyptic number.

It is an amenable number.

36644233 is a deficient number, since it is larger than the sum of its proper divisors (1).

36644233 is an equidigital number, since it uses as much as digits as its factorization.

36644233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 31.

The square root of 36644233 is about 6053.4480257123. The cubic root of 36644233 is about 332.1507305359.

Adding to 36644233 its reverse (33244663), we get a palindrome (69888896).

The spelling of 36644233 in words is "thirty-six million, six hundred forty-four thousand, two hundred thirty-three".