334225728 has 84 divisors (see below), whose sum is σ = 969678528. Its totient is φ = 110050560.

The previous prime is 334225721. The next prime is 334225739. The reversal of 334225728 is 827522433.

It is a super-2 number, since 2×334225728² = 223413674514259968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 334225692 and 334225701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (334225721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44313 + ... + 51303.

It is an arithmetic number, because the mean of its divisors is an integer number (11543792).

Almost surely, 2^334225728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 334225728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484839264).

334225728 is an abundant number, since it is smaller than the sum of its proper divisors (635452800).

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

334225728 is a wasteful number, since it uses less digits than its factorization.

334225728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092 (or 7079 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 334225728 is about 18281.8414827391. The cubic root of 334225728 is about 693.9794749028.

The spelling of 334225728 in words is "three hundred thirty-four million, two hundred twenty-five thousand, seven hundred twenty-eight".