70105225 has 6 divisors (see below), whose sum is σ = 86930510. Its totient is φ = 56084160.

The previous prime is 70105207. The next prime is 70105253. The reversal of 70105225 is 52250107.

It can be written as a sum of positive squares in 3 ways, for example, as 399424 + 69705801 = 632^2 + 8349^2 .

It is not a de Polignac number, because 70105225 - 2¹⁷ = 69974153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70105196 and 70105205.

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, 1402080 + ... + 1402129.

Almost surely, 2^70105225 is an apocalyptic number.

It is an amenable number.

70105225 is a deficient number, since it is larger than the sum of its proper divisors (16825285).

70105225 is a wasteful number, since it uses less digits than its factorization.

70105225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2804219 (or 2804214 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 70105225 is about 8372.8863004343. The cubic root of 70105225 is about 412.3349324243.

The spelling of 70105225 in words is "seventy million, one hundred five thousand, two hundred twenty-five".