36226665 has 12 divisors (see below), whose sum is σ = 62792964. Its totient is φ = 19320864.

The previous prime is 36226661. The next prime is 36226681. The reversal of 36226665 is 56662263.

It can be written as a sum of positive squares in 2 ways, for example, as 9072144 + 27154521 = 3012^2 + 5211^2 .

It is not a de Polignac number, because 36226665 - 2² = 36226661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36226661) 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 in 11 ways as a sum of consecutive naturals, for example, 402474 + ... + 402563.

It is an arithmetic number, because the mean of its divisors is an integer number (5232747).

Almost surely, 2^36226665 is an apocalyptic number.

It is an amenable number.

36226665 is a deficient number, since it is larger than the sum of its proper divisors (26566299).

36226665 is a wasteful number, since it uses less digits than its factorization.

36226665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805048 (or 805045 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 36226665 is about 6018.8591111605. The cubic root of 36226665 is about 330.8842675201.

The spelling of 36226665 in words is "thirty-six million, two hundred twenty-six thousand, six hundred sixty-five".