705222845 has 4 divisors (see below), whose sum is σ = 846267420. Its totient is φ = 564178272.

The previous prime is 705222821. The next prime is 705222857. The reversal of 705222845 is 548222507.

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 192155044 + 513067801 = 13862^2 + 22651^2 .

It is a cyclic number.

It is not a de Polignac number, because 705222845 - 2¹² = 705218749 is a prime.

It is a super-2 number, since 2×705222845² = 994678522219788050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70522280 + ... + 70522289.

It is an arithmetic number, because the mean of its divisors is an integer number (211566855).

Almost surely, 2^705222845 is an apocalyptic number.

It is an amenable number.

705222845 is a deficient number, since it is larger than the sum of its proper divisors (141044575).

705222845 is a wasteful number, since it uses less digits than its factorization.

705222845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141044574.

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 705222845 is about 26556.0321772662. The cubic root of 705222845 is about 890.1068108143.

The spelling of 705222845 in words is "seven hundred five million, two hundred twenty-two thousand, eight hundred forty-five".