392228568 has 80 divisors (see below), whose sum is σ = 1146412080. Its totient is φ = 125053632.

The previous prime is 392228563. The next prime is 392228569. The reversal of 392228568 is 865822293.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392228563) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1746 + ... + 28062.

It is an arithmetic number, because the mean of its divisors is an integer number (14330151).

Almost surely, 2^392228568 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 392228568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (573206040).

392228568 is an abundant number, since it is smaller than the sum of its proper divisors (754183512).

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

392228568 is a wasteful number, since it uses less digits than its factorization.

392228568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26358 (or 26345 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 392228568 is about 19804.7612457207. The cubic root of 392228568 is about 732.0033592966.

It can be divided in two parts, 3 and 92228568, that added together give a triangular number (92228571 = T₁₃₅₈₁).

The spelling of 392228568 in words is "three hundred ninety-two million, two hundred twenty-eight thousand, five hundred sixty-eight".