34045220 has 48 divisors (see below), whose sum is σ = 82591488. Its totient is φ = 11650560.

The previous prime is 34045213. The next prime is 34045241. The reversal of 34045220 is 2254043.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 34045192 and 34045201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 812 + ... + 8291.

It is an arithmetic number, because the mean of its divisors is an integer number (1720656).

Almost surely, 2^34045220 is an apocalyptic number.

It is an amenable number.

34045220 is an abundant number, since it is smaller than the sum of its proper divisors (48546268).

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

34045220 is a wasteful number, since it uses less digits than its factorization.

34045220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9140 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 34045220 is about 5834.8281894157. The cubic root of 34045220 is about 324.1047392918.

Adding to 34045220 its reverse (2254043), we get a palindrome (36299263).

The spelling of 34045220 in words is "thirty-four million, forty-five thousand, two hundred twenty".