572228394 has 16 divisors (see below), whose sum is σ = 1158246432. Its totient is φ = 188444528.

The previous prime is 572228383. The next prime is 572228399. The reversal of 572228394 is 493822275.

It is not an unprimeable number, because it can be changed into a prime (572228399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574029 + ... + 575024.

It is an arithmetic number, because the mean of its divisors is an integer number (72390402).

Almost surely, 2^572228394 is an apocalyptic number.

572228394 is an abundant number, since it is smaller than the sum of its proper divisors (586018038).

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

572228394 is a wasteful number, since it uses less digits than its factorization.

572228394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149141.

The product of its digits is 241920, while the sum is 42.

The square root of 572228394 is about 23921.2958261044. The cubic root of 572228394 is about 830.2135193641.

The spelling of 572228394 in words is "five hundred seventy-two million, two hundred twenty-eight thousand, three hundred ninety-four".