34220398 has 4 divisors (see below), whose sum is σ = 51330600. Its totient is φ = 17110198.

The previous prime is 34220357. The next prime is 34220399. The reversal of 34220398 is 89302243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89302243 = 1217 ⋅73379.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34220399) 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 as a sum of consecutive naturals, namely, 8555098 + ... + 8555101.

It is an arithmetic number, because the mean of its divisors is an integer number (12832650).

Almost surely, 2^34220398 is an apocalyptic number.

34220398 is a deficient number, since it is larger than the sum of its proper divisors (17110202).

34220398 is a wasteful number, since it uses less digits than its factorization.

34220398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17110201.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 34220398 is about 5849.8203391215. The cubic root of 34220398 is about 324.6596768918.

The spelling of 34220398 in words is "thirty-four million, two hundred twenty thousand, three hundred ninety-eight".