7006225 has 6 divisors (see below), whose sum is σ = 8687750. Its totient is φ = 5604960.

The previous prime is 7006211. The next prime is 7006247. The reversal of 7006225 is 5226007.

It can be written as a sum of positive squares in 3 ways, for example, as 1697809 + 5308416 = 1303^2 + 2304^2 .

It is not a de Polignac number, because 7006225 - 2¹⁷ = 6875153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7006196 and 7006205.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140100 + ... + 140149.

Almost surely, 2^7006225 is an apocalyptic number.

It is an amenable number.

7006225 is a deficient number, since it is larger than the sum of its proper divisors (1681525).

7006225 is a wasteful number, since it uses less digits than its factorization.

7006225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280259 (or 280254 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 7006225 is about 2646.9274640609. The cubic root of 7006225 is about 191.3498062224.

The spelling of 7006225 in words is "seven million, six thousand, two hundred twenty-five".