36226661 has 2 divisors, whose sum is σ = 36226662. Its totient is φ = 36226660.

The previous prime is 36226627. The next prime is 36226681. The reversal of 36226661 is 16662263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23338561 + 12888100 = 4831^2 + 3590^2 .

It is an emirp because it is prime and its reverse (16662263) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36226661 - 2¹⁴ = 36210277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36226621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18113330 + 18113331.

It is an arithmetic number, because the mean of its divisors is an integer number (18113331).

Almost surely, 2^36226661 is an apocalyptic number.

It is an amenable number.

36226661 is a deficient number, since it is larger than the sum of its proper divisors (1).

36226661 is an equidigital number, since it uses as much as digits as its factorization.

36226661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 36226661 is about 6018.8587788716. The cubic root of 36226661 is about 330.8842553418.

The spelling of 36226661 in words is "thirty-six million, two hundred twenty-six thousand, six hundred sixty-one".