225636357 has 16 divisors (see below), whose sum is σ = 307851840. Its totient is φ = 146961792.

The previous prime is 225636329. The next prime is 225636361. The reversal of 225636357 is 753636522.

It is not a de Polignac number, because 225636357 - 2⁶ = 225636293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225636157) 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 15 ways as a sum of consecutive naturals, for example, 18619 + ... + 28247.

It is an arithmetic number, because the mean of its divisors is an integer number (19240740).

Almost surely, 2^225636357 is an apocalyptic number.

It is an amenable number.

225636357 is a deficient number, since it is larger than the sum of its proper divisors (82215483).

225636357 is a wasteful number, since it uses less digits than its factorization.

225636357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812.

The product of its digits is 226800, while the sum is 39.

The square root of 225636357 is about 15021.1969230152. The cubic root of 225636357 is about 608.7930601003.

It can be divided in two parts, 22563 and 6357, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 225636357 in words is "two hundred twenty-five million, six hundred thirty-six thousand, three hundred fifty-seven".