308034221 has 8 divisors (see below), whose sum is σ = 341733600. Its totient is φ = 275284240.

The previous prime is 308034179. The next prime is 308034229. The reversal of 308034221 is 122430803.

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

It is not a de Polignac number, because 308034221 - 2²⁶ = 240925357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308034229) 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, 236666 + ... + 237963.

It is an arithmetic number, because the mean of its divisors is an integer number (42716700).

Almost surely, 2^308034221 is an apocalyptic number.

It is an amenable number.

308034221 is a deficient number, since it is larger than the sum of its proper divisors (33699379).

308034221 is a wasteful number, since it uses less digits than its factorization.

308034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474699.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 308034221 is about 17550.9037089262. The cubic root of 308034221 is about 675.3563521217.

The spelling of 308034221 in words is "three hundred eight million, thirty-four thousand, two hundred twenty-one".