225229707 has 8 divisors (see below), whose sum is σ = 333673680. Its totient is φ = 150153120.

The previous prime is 225229681. The next prime is 225229717. The reversal of 225229707 is 707922522.

It is not a de Polignac number, because 225229707 - 2¹⁰ = 225228683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225229717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4170894 + ... + 4170947.

It is an arithmetic number, because the mean of its divisors is an integer number (41709210).

Almost surely, 2^225229707 is an apocalyptic number.

225229707 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

225229707 is a deficient number, since it is larger than the sum of its proper divisors (108443973).

225229707 is an equidigital number, since it uses as much as digits as its factorization.

225229707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341850 (or 8341844 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 225229707 is about 15007.6549467264. The cubic root of 225229707 is about 608.4271105488.

The spelling of 225229707 in words is "two hundred twenty-five million, two hundred twenty-nine thousand, seven hundred seven".