609225288 has 64 divisors (see below), whose sum is σ = 1816335360. Its totient is φ = 166495296.

The previous prime is 609225283. The next prime is 609225289. The reversal of 609225288 is 882522906.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (609225283) 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, 74970 + ... + 82697.

It is an arithmetic number, because the mean of its divisors is an integer number (28380240).

Almost surely, 2^609225288 is an apocalyptic number.

It is an amenable number.

609225288 is an abundant number, since it is smaller than the sum of its proper divisors (1207110072).

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

609225288 is a wasteful number, since it uses less digits than its factorization.

609225288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157706 (or 157702 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 609225288 is about 24682.4895016690. The cubic root of 609225288 is about 847.7334253168.

The spelling of 609225288 in words is "six hundred nine million, two hundred twenty-five thousand, two hundred eighty-eight".