34002220 has 24 divisors (see below), whose sum is σ = 81605664. Its totient is φ = 11657856.

The previous prime is 34002187. The next prime is 34002251. The reversal of 34002220 is 2220043.

It is a self number, because there is not a number n which added to its sum of digits gives 34002220.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 121297 + ... + 121576.

It is an arithmetic number, because the mean of its divisors is an integer number (3400236).

Almost surely, 2^34002220 is an apocalyptic number.

It is an amenable number.

34002220 is an abundant number, since it is smaller than the sum of its proper divisors (47603444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34002220 is a wasteful number, since it uses less digits than its factorization.

34002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242889 (or 242887 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 34002220 is about 5831.1422551675. The cubic root of 34002220 is about 323.9682308941.

Adding to 34002220 its reverse (2220043), we get a palindrome (36222263).

The spelling of 34002220 in words is "thirty-four million, two thousand, two hundred twenty".