225346340 has 24 divisors (see below), whose sum is σ = 475970040. Its totient is φ = 89616128.

The previous prime is 225346337. The next prime is 225346343. The reversal of 225346340 is 43643522.

It is an interprime number because it is at equal distance from previous prime (225346337) and next prime (225346343).

It can be written as a sum of positive squares in 4 ways, for example, as 21827584 + 203518756 = 4672^2 + 14266^2 .

It is not an unprimeable number, because it can be changed into a prime (225346343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29105 + ... + 36024.

It is an arithmetic number, because the mean of its divisors is an integer number (19832085).

Almost surely, 2^225346340 is an apocalyptic number.

225346340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225346340 is an abundant number, since it is smaller than the sum of its proper divisors (250623700).

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

225346340 is a wasteful number, since it uses less digits than its factorization.

225346340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65311 (or 65309 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 225346340 is about 15011.5402274384. The cubic root of 225346340 is about 608.5321151011.

Adding to 225346340 its reverse (43643522), we get a palindrome (268989862).

The spelling of 225346340 in words is "two hundred twenty-five million, three hundred forty-six thousand, three hundred forty".