225533310 has 32 divisors (see below), whose sum is σ = 546078240. Its totient is φ = 59609088.

The previous prime is 225533309. The next prime is 225533311. The reversal of 225533310 is 13335522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (225533309) and next prime (225533311).

It is a super-2 number, since 2×225533310² = 101730547839112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225533311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29875 + ... + 36654.

It is an arithmetic number, because the mean of its divisors is an integer number (17064945).

Almost surely, 2^225533310 is an apocalyptic number.

225533310 is an abundant number, since it is smaller than the sum of its proper divisors (320544930).

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

225533310 is a wasteful number, since it uses less digits than its factorization.

225533310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66652.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 225533310 is about 15017.7664784082. The cubic root of 225533310 is about 608.7003684025.

Adding to 225533310 its reverse (13335522), we get a palindrome (238868832).

The spelling of 225533310 in words is "two hundred twenty-five million, five hundred thirty-three thousand, three hundred ten".