36866122 has 4 divisors (see below), whose sum is σ = 55299186. Its totient is φ = 18433060.

The previous prime is 36866119. The next prime is 36866129. The reversal of 36866122 is 22166863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22166863 = 19 ⋅1166677.

It can be written as a sum of positive squares in only one way, i.e., 35868121 + 998001 = 5989^2 + 999^2 .

It is a super-2 number, since 2×36866122² = 2718221902637768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36866129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9216529 + ... + 9216532.

Almost surely, 2^36866122 is an apocalyptic number.

36866122 is a deficient number, since it is larger than the sum of its proper divisors (18433064).

36866122 is a wasteful number, since it uses less digits than its factorization.

36866122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18433063.

The product of its digits is 20736, while the sum is 34.

The square root of 36866122 is about 6071.7478537897. The cubic root of 36866122 is about 332.8197974713.

The spelling of 36866122 in words is "thirty-six million, eight hundred sixty-six thousand, one hundred twenty-two".