70122205 has 4 divisors (see below), whose sum is σ = 84146652. Its totient is φ = 56097760.

The previous prime is 70122191. The next prime is 70122209. The reversal of 70122205 is 50222107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50222107 = 13 ⋅3863239.

It can be written as a sum of positive squares in 2 ways, for example, as 30846916 + 39275289 = 5554^2 + 6267^2 .

It is not a de Polignac number, because 70122205 - 2¹¹ = 70120157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7012216 + ... + 7012225.

It is an arithmetic number, because the mean of its divisors is an integer number (21036663).

Almost surely, 2^70122205 is an apocalyptic number.

It is an amenable number.

70122205 is a deficient number, since it is larger than the sum of its proper divisors (14024447).

70122205 is a wasteful number, since it uses less digits than its factorization.

70122205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024446.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70122205 is about 8373.9002262984. The cubic root of 70122205 is about 412.3682199192.

The spelling of 70122205 in words is "seventy million, one hundred twenty-two thousand, two hundred five".