225340134 has 16 divisors (see below), whose sum is σ = 477191088. Its totient is φ = 70694912.

The previous prime is 225340099. The next prime is 225340139. The reversal of 225340134 is 431043522.

It is a super-2 number, since 2×225340134² = 101556351982275912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225340139) 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, 1104507 + ... + 1104710.

It is an arithmetic number, because the mean of its divisors is an integer number (29824443).

Almost surely, 2^225340134 is an apocalyptic number.

225340134 is an abundant number, since it is smaller than the sum of its proper divisors (251850954).

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

225340134 is a wasteful number, since it uses less digits than its factorization.

225340134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209239.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 225340134 is about 15011.3335183787. Note that the first 3 decimals coincide. The cubic root of 225340134 is about 608.5265287593.

Adding to 225340134 its reverse (431043522), we get a palindrome (656383656).

The spelling of 225340134 in words is "two hundred twenty-five million, three hundred forty thousand, one hundred thirty-four".