225307742 has 8 divisors (see below), whose sum is σ = 368685432. Its totient is φ = 102412600.

The previous prime is 225307739. The next prime is 225307777. The reversal of 225307742 is 247703522.

225307742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 225307699 and 225307708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120609 + ... + 5120652.

It is an arithmetic number, because the mean of its divisors is an integer number (46085679).

Almost surely, 2^225307742 is an apocalyptic number.

225307742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225307742 is a deficient number, since it is larger than the sum of its proper divisors (143377690).

225307742 is a wasteful number, since it uses less digits than its factorization.

225307742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10241274.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 225307742 is about 15010.2545614656. The cubic root of 225307742 is about 608.4973693792.

The spelling of 225307742 in words is "two hundred twenty-five million, three hundred seven thousand, seven hundred forty-two".