573221934 has 48 divisors (see below), whose sum is σ = 1309875840. Its totient is φ = 187826040.

The previous prime is 573221927. The next prime is 573221947. The reversal of 573221934 is 439122375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18679 + ... + 38669.

It is an arithmetic number, because the mean of its divisors is an integer number (27289080).

Almost surely, 2^573221934 is an apocalyptic number.

573221934 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 573221934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654937920).

573221934 is an abundant number, since it is smaller than the sum of its proper divisors (736653906).

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

573221934 is a wasteful number, since it uses less digits than its factorization.

573221934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20067 (or 20055 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 573221934 is about 23942.0536713123. The cubic root of 573221934 is about 830.6937317073.

It can be divided in two parts, 57 and 3221934, that added together give a triangular number (3221991 = T₂₅₃₈).

The spelling of 573221934 in words is "five hundred seventy-three million, two hundred twenty-one thousand, nine hundred thirty-four".