34203221 has 8 divisors (see below), whose sum is σ = 37279200. Its totient is φ = 31190832.

The previous prime is 34203203. The next prime is 34203241. The reversal of 34203221 is 12230243.

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

It is a cyclic number.

It is not a de Polignac number, because 34203221 - 2⁶ = 34203157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34203241) 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, 14771 + ... + 16928.

It is an arithmetic number, because the mean of its divisors is an integer number (4659900).

Almost surely, 2^34203221 is an apocalyptic number.

It is an amenable number.

34203221 is a deficient number, since it is larger than the sum of its proper divisors (3075979).

34203221 is a wasteful number, since it uses less digits than its factorization.

34203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31795.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 34203221 is about 5848.3519900909. The cubic root of 34203221 is about 324.6053466002.

Adding to 34203221 its reverse (12230243), we get a palindrome (46433464).

The spelling of 34203221 in words is "thirty-four million, two hundred three thousand, two hundred twenty-one".