40003225 has 12 divisors (see below), whose sum is σ = 49689900. Its totient is φ = 31947200.

The previous prime is 40003219. The next prime is 40003241. The reversal of 40003225 is 52230004.

It can be written as a sum of positive squares in 6 ways, for example, as 363609 + 39639616 = 603^2 + 6296^2 .

It is not a de Polignac number, because 40003225 - 2³ = 40003217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40003199 and 40003208.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19551 + ... + 21499.

It is an arithmetic number, because the mean of its divisors is an integer number (4140825).

Almost surely, 2^40003225 is an apocalyptic number.

It is an amenable number.

40003225 is a deficient number, since it is larger than the sum of its proper divisors (9686675).

40003225 is a wasteful number, since it uses less digits than its factorization.

40003225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40003225 is about 6324.8102738343. The cubic root of 40003225 is about 342.0043802091.

Adding to 40003225 its reverse (52230004), we get a palindrome (92233229).

It can be divided in two parts, 4000 and 3225, that added together give a square (7225 = 85²).

The spelling of 40003225 in words is "forty million, three thousand, two hundred twenty-five".