334123220 has 12 divisors (see below), whose sum is σ = 701658804. Its totient is φ = 133649280.

The previous prime is 334123213. The next prime is 334123241. The reversal of 334123220 is 22321433.

It can be written as a sum of positive squares in 2 ways, for example, as 231465796 + 102657424 = 15214^2 + 10132^2 .

It is a super-2 number, since 2×334123220² = 223276652286336800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 16706161 = 334123220 / (3 + 3 + 4 + 1 + 2 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 334123192 and 334123201.

It is a congruent number.

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, 8353061 + ... + 8353100.

It is an arithmetic number, because the mean of its divisors is an integer number (58471567).

Almost surely, 2^334123220 is an apocalyptic number.

It is an amenable number.

334123220 is an abundant number, since it is smaller than the sum of its proper divisors (367535584).

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

334123220 is a wasteful number, since it uses less digits than its factorization.

334123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16706170 (or 16706168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 334123220 is about 18279.0377208430. The cubic root of 334123220 is about 693.9085191424.

Adding to 334123220 its reverse (22321433), we get a palindrome (356444653).

The spelling of 334123220 in words is "three hundred thirty-four million, one hundred twenty-three thousand, two hundred twenty".