34220147 has 4 divisors (see below), whose sum is σ = 36852480. Its totient is φ = 31587816.

The previous prime is 34220071. The next prime is 34220161. The reversal of 34220147 is 74102243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74102243 = 883 ⋅83921.

It is not a de Polignac number, because 34220147 - 2¹⁰ = 34219123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34220047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316147 + ... + 1316172.

It is an arithmetic number, because the mean of its divisors is an integer number (9213120).

Almost surely, 2^34220147 is an apocalyptic number.

34220147 is a deficient number, since it is larger than the sum of its proper divisors (2632333).

34220147 is a wasteful number, since it uses less digits than its factorization.

34220147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2632332.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 34220147 is about 5849.7988854319. The cubic root of 34220147 is about 324.6588831179.

The spelling of 34220147 in words is "thirty-four million, two hundred twenty thousand, one hundred forty-seven".