225140601 has 32 divisors (see below), whose sum is σ = 356279040. Its totient is φ = 123734016.

The previous prime is 225140579. The next prime is 225140603. The reversal of 225140601 is 106041522.

It is not a de Polignac number, because 225140601 - 2⁷ = 225140473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (225140603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204685 + ... + 205781.

It is an arithmetic number, because the mean of its divisors is an integer number (11133720).

Almost surely, 2^225140601 is an apocalyptic number.

225140601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

225140601 is a deficient number, since it is larger than the sum of its proper divisors (131138439).

225140601 is a wasteful number, since it uses less digits than its factorization.

225140601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 225140601 is about 15004.6859680568. The cubic root of 225140601 is about 608.3468640930.

The spelling of 225140601 in words is "two hundred twenty-five million, one hundred forty thousand, six hundred one".