70224305 has 4 divisors (see below), whose sum is σ = 84269172. Its totient is φ = 56179440.

The previous prime is 70224299. The next prime is 70224307. The reversal of 70224305 is 50342207.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23493409 + 46730896 = 4847^2 + 6836^2 .

It is not a de Polignac number, because 70224305 - 2¹⁶ = 70158769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70224307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7022426 + ... + 7022435.

It is an arithmetic number, because the mean of its divisors is an integer number (21067293).

Almost surely, 2^70224305 is an apocalyptic number.

It is an amenable number.

70224305 is a deficient number, since it is larger than the sum of its proper divisors (14044867).

70224305 is a wasteful number, since it uses less digits than its factorization.

70224305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14044866.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70224305 is about 8379.9943317403. The cubic root of 70224305 is about 412.5682629605.

The spelling of 70224305 in words is "seventy million, two hundred twenty-four thousand, three hundred five".