36223641 has 6 divisors (see below), whose sum is σ = 52323050. Its totient is φ = 24149088.

The previous prime is 36223637. The next prime is 36223657. The reversal of 36223641 is 14632263.

36223641 is a `hidden beast` number, since 3 + 622 + 36 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28933641 + 7290000 = 5379^2 + 2700^2 .

It is not a de Polignac number, because 36223641 - 2² = 36223637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36223631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2012416 + ... + 2012433.

Almost surely, 2^36223641 is an apocalyptic number.

It is an amenable number.

36223641 is a deficient number, since it is larger than the sum of its proper divisors (16099409).

36223641 is a wasteful number, since it uses less digits than its factorization.

36223641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024855 (or 4024852 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 36223641 is about 6018.6078955187. The cubic root of 36223641 is about 330.8750604727.

It can be divided in two parts, 36223 and 641, that added together give a square (36864 = 192²).

The spelling of 36223641 in words is "thirty-six million, two hundred twenty-three thousand, six hundred forty-one".