225357522 has 32 divisors (see below), whose sum is σ = 486024000. Its totient is φ = 69249600.

The previous prime is 225357493. The next prime is 225357529. The reversal of 225357522 is 225753522.

It is not an unprimeable number, because it can be changed into a prime (225357529) 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 15 ways as a sum of consecutive naturals, for example, 80604 + ... + 83352.

It is an arithmetic number, because the mean of its divisors is an integer number (15188250).

Almost surely, 2^225357522 is an apocalyptic number.

225357522 is an abundant number, since it is smaller than the sum of its proper divisors (260666478).

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

225357522 is a wasteful number, since it uses less digits than its factorization.

225357522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3818.

The product of its digits is 42000, while the sum is 33.

The square root of 225357522 is about 15011.9126696101. The cubic root of 225357522 is about 608.5421803390.

The spelling of 225357522 in words is "two hundred twenty-five million, three hundred fifty-seven thousand, five hundred twenty-two".