34998221 has 8 divisors (see below), whose sum is σ = 35857920. Its totient is φ = 34143408.

The previous prime is 34998211. The next prime is 34998239. The reversal of 34998221 is 12289943.

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 34998221 - 2¹⁰ = 34997197 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 (34998211) 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, 16235 + ... + 18263.

It is an arithmetic number, because the mean of its divisors is an integer number (4482240).

Almost surely, 2^34998221 is an apocalyptic number.

It is an amenable number.

34998221 is a deficient number, since it is larger than the sum of its proper divisors (859699).

34998221 is a wasteful number, since it uses less digits than its factorization.

34998221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2443.

The product of its digits is 31104, while the sum is 38.

The square root of 34998221 is about 5915.9294282471. The cubic root of 34998221 is about 327.1010888040.

The spelling of 34998221 in words is "thirty-four million, nine hundred ninety-eight thousand, two hundred twenty-one".