34807221 has 24 divisors (see below), whose sum is σ = 54756000. Its totient is φ = 21222432.

The previous prime is 34807181. The next prime is 34807229. The reversal of 34807221 is 12270843.

34807221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34807221 - 2¹⁰ = 34806197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34807229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450 + ... + 8468.

It is an arithmetic number, because the mean of its divisors is an integer number (2281500).

Almost surely, 2^34807221 is an apocalyptic number.

It is an amenable number.

34807221 is a deficient number, since it is larger than the sum of its proper divisors (19948779).

34807221 is a wasteful number, since it uses less digits than its factorization.

34807221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073 (or 7070 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 34807221 is about 5899.7644868249. The cubic root of 34807221 is about 326.5049603421.

It can be divided in two parts, 3480 and 7221, that added together give a palindrome (10701).

The spelling of 34807221 in words is "thirty-four million, eight hundred seven thousand, two hundred twenty-one".