6906225 has 12 divisors (see below), whose sum is σ = 11418416. Its totient is φ = 3683280.

The previous prime is 6906223. The next prime is 6906239. The reversal of 6906225 is 5226096.

It is not a de Polignac number, because 6906225 - 2¹ = 6906223 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6906192 and 6906201.

It is not an unprimeable number, because it can be changed into a prime (6906223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45967 + ... + 46116.

Almost surely, 2^6906225 is an apocalyptic number.

It is an amenable number.

6906225 is a deficient number, since it is larger than the sum of its proper divisors (4512191).

6906225 is a wasteful number, since it uses less digits than its factorization.

6906225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92096 (or 92091 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 6906225 is about 2627.9697486843. The cubic root of 6906225 is about 190.4350602909.

The spelling of 6906225 in words is "six million, nine hundred six thousand, two hundred twenty-five".