40230225 has 108 divisors (see below), whose sum is σ = 86830380. Its totient is φ = 17740800.

The previous prime is 40230191. The next prime is 40230247. The reversal of 40230225 is 52203204.

It can be written as a sum of positive squares in 6 ways, for example, as 12446784 + 27783441 = 3528^2 + 5271^2 .

It is not a de Polignac number, because 40230225 - 2⁶ = 40230161 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40230198 and 40230207.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 451981 + ... + 452069.

It is an arithmetic number, because the mean of its divisors is an integer number (803985).

Almost surely, 2^40230225 is an apocalyptic number.

40230225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40230225 is an abundant number, since it is smaller than the sum of its proper divisors (46600155).

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

40230225 is a wasteful number, since it uses less digits than its factorization.

40230225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40230225 is about 6342.7300904264. The cubic root of 40230225 is about 342.6500665490.

Adding to 40230225 its reverse (52203204), we get a palindrome (92433429).

The spelling of 40230225 in words is "forty million, two hundred thirty thousand, two hundred twenty-five".