70222717 has 4 divisors (see below), whose sum is σ = 72644220. Its totient is φ = 67801216.

The previous prime is 70222697. The next prime is 70222739. The reversal of 70222717 is 71722207.

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 56761156 + 13461561 = 7534^2 + 3669^2 .

It is a cyclic number.

It is not a de Polignac number, because 70222717 - 2⁷ = 70222589 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 (70222777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1210708 + ... + 1210765.

It is an arithmetic number, because the mean of its divisors is an integer number (18161055).

Almost surely, 2^70222717 is an apocalyptic number.

It is an amenable number.

70222717 is a deficient number, since it is larger than the sum of its proper divisors (2421503).

70222717 is a wasteful number, since it uses less digits than its factorization.

70222717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421502.

The product of its (nonzero) digits is 2744, while the sum is 28.

The square root of 70222717 is about 8379.8995817372. The cubic root of 70222717 is about 412.5651531002.

It can be divided in two parts, 702227 and 17, that added together give a square (702244 = 838²).

The spelling of 70222717 in words is "seventy million, two hundred twenty-two thousand, seven hundred seventeen".