36666722 has 16 divisors (see below), whose sum is σ = 58614840. Its totient is φ = 17142528.

The previous prime is 36666709. The next prime is 36666727. The reversal of 36666722 is 22766663.

It can be written as a sum of positive squares in 4 ways, for example, as 22005481 + 14661241 = 4691^2 + 3829^2 .

It is not an unprimeable number, because it can be changed into a prime (36666727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904 + ... + 8772.

Almost surely, 2^36666722 is an apocalyptic number.

36666722 is a deficient number, since it is larger than the sum of its proper divisors (21948118).

36666722 is a wasteful number, since it uses less digits than its factorization.

36666722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7045.

The product of its digits is 108864, while the sum is 38.

The square root of 36666722 is about 6055.3052771929. The cubic root of 36666722 is about 332.2186649201.

The spelling of 36666722 in words is "thirty-six million, six hundred sixty-six thousand, seven hundred twenty-two".