712228445 has 8 divisors (see below), whose sum is σ = 855114936. Its totient is φ = 569488896.

The previous prime is 712228427. The next prime is 712228457. The reversal of 712228445 is 544822217.

It can be written as a sum of positive squares in 4 ways, for example, as 263932516 + 448295929 = 16246^2 + 21173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 712228445 - 2¹⁰ = 712227421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25772 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (106889367).

Almost surely, 2^712228445 is an apocalyptic number.

It is an amenable number.

712228445 is a deficient number, since it is larger than the sum of its proper divisors (142886491).

712228445 is a wasteful number, since it uses less digits than its factorization.

712228445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73471.

The product of its digits is 35840, while the sum is 35.

The square root of 712228445 is about 26687.6084541122. The cubic root of 712228445 is about 893.0445097189.

The spelling of 712228445 in words is "seven hundred twelve million, two hundred twenty-eight thousand, four hundred forty-five".