294471220 has 48 divisors (see below), whose sum is σ = 645518160. Its totient is φ = 112695296.

The previous prime is 294471211. The next prime is 294471223. The reversal of 294471220 is 22174492.

294471220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 142884 + 294328336 = 378^2 + 17156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (294471223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63294 + ... + 67786.

It is an arithmetic number, because the mean of its divisors is an integer number (13448295).

Almost surely, 2^294471220 is an apocalyptic number.

294471220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 294471220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322759080).

294471220 is an abundant number, since it is smaller than the sum of its proper divisors (351046940).

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

294471220 is a wasteful number, since it uses less digits than its factorization.

294471220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4644 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 294471220 is about 17160.1637521324. The cubic root of 294471220 is about 665.2950393375.

The spelling of 294471220 in words is "two hundred ninety-four million, four hundred seventy-one thousand, two hundred twenty".