309922066 has 8 divisors (see below), whose sum is σ = 479879424. Its totient is φ = 149962260.

The previous prime is 309922057. The next prime is 309922069. The reversal of 309922066 is 660229903.

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 (309922069) 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, 2499310 + ... + 2499433.

It is an arithmetic number, because the mean of its divisors is an integer number (59984928).

Almost surely, 2^309922066 is an apocalyptic number.

309922066 is a deficient number, since it is larger than the sum of its proper divisors (169957358).

309922066 is a wasteful number, since it uses less digits than its factorization.

309922066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998776.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 309922066 is about 17604.6035456638. The cubic root of 309922066 is about 676.7332254599.

The spelling of 309922066 in words is "three hundred nine million, nine hundred twenty-two thousand, sixty-six".