63225340 has 24 divisors (see below), whose sum is σ = 135600192. Its totient is φ = 24751680.

The previous prime is 63225317. The next prime is 63225347. The reversal of 63225340 is 4352236.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63225347) 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 7 ways as a sum of consecutive naturals, for example, 32691 + ... + 34570.

It is an arithmetic number, because the mean of its divisors is an integer number (5650008).

Almost surely, 2^63225340 is an apocalyptic number.

It is an amenable number.

63225340 is an abundant number, since it is smaller than the sum of its proper divisors (72374852).

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

63225340 is a wasteful number, since it uses less digits than its factorization.

63225340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67317 (or 67315 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 63225340 is about 7951.4363482329. The cubic root of 63225340 is about 398.3795693759.

Adding to 63225340 its reverse (4352236), we get a palindrome (67577576).

The spelling of 63225340 in words is "sixty-three million, two hundred twenty-five thousand, three hundred forty".