3400225 has 12 divisors (see below), whose sum is σ = 4315696. Its totient is φ = 2656080.

The previous prime is 3400223. The next prime is 3400231. The reversal of 3400225 is 5220043.

It is not a de Polignac number, because 3400225 - 2¹ = 3400223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3400199 and 3400208.

It is not an unprimeable number, because it can be changed into a prime (3400223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 507 + ... + 2656.

Almost surely, 2^3400225 is an apocalyptic number.

It is an amenable number.

3400225 is a deficient number, since it is larger than the sum of its proper divisors (915471).

3400225 is a wasteful number, since it uses less digits than its factorization.

3400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3216 (or 3211 counting only the distinct ones).

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

The square root of 3400225 is about 1843.9699021405. The cubic root of 3400225 is about 150.3727765207.

Adding to 3400225 its reverse (5220043), we get a palindrome (8620268).

The spelling of 3400225 in words is "three million, four hundred thousand, two hundred twenty-five".