225245022 has 16 divisors (see below), whose sum is σ = 457214592. Its totient is φ = 73960920.

The previous prime is 225244993. The next prime is 225245029. The reversal of 225245022 is 220542522.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 225244983 and 225245001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225245029) 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 7 ways as a sum of consecutive naturals, for example, 279754 + ... + 280557.

It is an arithmetic number, because the mean of its divisors is an integer number (28575912).

Almost surely, 2^225245022 is an apocalyptic number.

225245022 is an abundant number, since it is smaller than the sum of its proper divisors (231969570).

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

225245022 is a wasteful number, since it uses less digits than its factorization.

225245022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560383.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 225245022 is about 15008.1651776625. The cubic root of 225245022 is about 608.4409006924.

Adding to 225245022 its reverse (220542522), we get a palindrome (445787544).

It can be divided in two parts, 2252 and 45022, that added together give a palindrome (47274).

The spelling of 225245022 in words is "two hundred twenty-five million, two hundred forty-five thousand, twenty-two".