34213220 has 12 divisors (see below), whose sum is σ = 71847804. Its totient is φ = 13685280.

The previous prime is 34213219. The next prime is 34213237. The reversal of 34213220 is 2231243.

It can be written as a sum of positive squares in 2 ways, for example, as 5654884 + 28558336 = 2378^2 + 5344^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 855311 + ... + 855350.

It is an arithmetic number, because the mean of its divisors is an integer number (5987317).

Almost surely, 2^34213220 is an apocalyptic number.

It is an amenable number.

34213220 is an abundant number, since it is smaller than the sum of its proper divisors (37634584).

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

34213220 is a wasteful number, since it uses less digits than its factorization.

34213220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710670 (or 1710668 counting only the distinct ones).

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

The square root of 34213220 is about 5849.2067838298. The cubic root of 34213220 is about 324.6369753234.

Adding to 34213220 its reverse (2231243), we get a palindrome (36444463).

The spelling of 34213220 in words is "thirty-four million, two hundred thirteen thousand, two hundred twenty".