609222400 has 54 divisors (see below), whose sum is σ = 1507936472. Its totient is φ = 243686400.

The previous prime is 609222391. The next prime is 609222451. The reversal of 609222400 is 4222906.

609222400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41196 + ... + 53995.

Almost surely, 2^609222400 is an apocalyptic number.

It is an amenable number.

609222400 is an abundant number, since it is smaller than the sum of its proper divisors (898714072).

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

609222400 is an equidigital number, since it uses as much as digits as its factorization.

609222400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95217 (or 95198 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 609222400 is about 24682.4309985868. The cubic root of 609222400 is about 847.7320857697.

The spelling of 609222400 in words is "six hundred nine million, two hundred twenty-two thousand, four hundred".