225401306 has 16 divisors (see below), whose sum is σ = 364376544. Its totient is φ = 103955184.

The previous prime is 225401303. The next prime is 225401321. The reversal of 225401306 is 603104522.

It is not an unprimeable number, because it can be changed into a prime (225401303) 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, 49481 + ... + 53843.

It is an arithmetic number, because the mean of its divisors is an integer number (22773534).

Almost surely, 2^225401306 is an apocalyptic number.

225401306 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225401306 is a deficient number, since it is larger than the sum of its proper divisors (138975238).

225401306 is a wasteful number, since it uses less digits than its factorization.

225401306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6365.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 225401306 is about 15013.3709072946. The cubic root of 225401306 is about 608.5815883652.

Adding to 225401306 its reverse (603104522), we get a palindrome (828505828).

The spelling of 225401306 in words is "two hundred twenty-five million, four hundred one thousand, three hundred six".