578252220 has 96 divisors (see below), whose sum is σ = 1992764928. Its totient is φ = 122003712.

The previous prime is 578252219. The next prime is 578252221. The reversal of 578252220 is 22252875.

It is an interprime number because it is at equal distance from previous prime (578252219) and next prime (578252221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578252221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47494 + ... + 58413.

It is an arithmetic number, because the mean of its divisors is an integer number (20757968).

Almost surely, 2^578252220 is an apocalyptic number.

It is an amenable number.

578252220 is an abundant number, since it is smaller than the sum of its proper divisors (1414512708).

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

578252220 is a wasteful number, since it uses less digits than its factorization.

578252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105939 (or 105937 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 578252220 is about 24046.8754727095. The cubic root of 578252220 is about 833.1165647741.

The spelling of 578252220 in words is "five hundred seventy-eight million, two hundred fifty-two thousand, two hundred twenty".