45622666 has 8 divisors (see below), whose sum is σ = 68475204. Its totient is φ = 22797600.

The previous prime is 45622663. The next prime is 45622673. The reversal of 45622666 is 66622654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45091225 + 531441 = 6715^2 + 729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (45622663) 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 3 ways as a sum of consecutive naturals, for example, 2035 + ... + 9766.

Almost surely, 2^45622666 is an apocalyptic number.

45622666 is a deficient number, since it is larger than the sum of its proper divisors (22852538).

45622666 is a wasteful number, since it uses less digits than its factorization.

45622666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13736.

The product of its digits is 103680, while the sum is 37.

The square root of 45622666 is about 6754.4552704123. The cubic root of 45622666 is about 357.3223816521.

The spelling of 45622666 in words is "forty-five million, six hundred twenty-two thousand, six hundred sixty-six".