34304220 has 36 divisors (see below), whose sum is σ = 104056680. Its totient is φ = 9147744.

The previous prime is 34304213. The next prime is 34304243. The reversal of 34304220 is 2240343.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 34304193 and 34304202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95110 + ... + 95469.

Almost surely, 2^34304220 is an apocalyptic number.

34304220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34304220 is an abundant number, since it is smaller than the sum of its proper divisors (69752460).

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

34304220 is a wasteful number, since it uses less digits than its factorization.

34304220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190594 (or 190589 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 34304220 is about 5856.9804507101. The cubic root of 34304220 is about 324.9245426397.

Adding to 34304220 its reverse (2240343), we get a palindrome (36544563).

The spelling of 34304220 in words is "thirty-four million, three hundred four thousand, two hundred twenty".