445572213 has 8 divisors (see below), whose sum is σ = 594295776. Its totient is φ = 296948400.

The previous prime is 445572187. The next prime is 445572223. The reversal of 445572213 is 312275544.

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

It is not a de Polignac number, because 445572213 - 2⁸ = 445571957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445572223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13803 + ... + 32888.

It is an arithmetic number, because the mean of its divisors is an integer number (74286972).

Almost surely, 2^445572213 is an apocalyptic number.

It is an amenable number.

445572213 is a deficient number, since it is larger than the sum of its proper divisors (148723563).

445572213 is a wasteful number, since it uses less digits than its factorization.

445572213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49875.

The product of its digits is 33600, while the sum is 33.

The square root of 445572213 is about 21108.5815013705. The cubic root of 445572213 is about 763.7877695318.

The spelling of 445572213 in words is "four hundred forty-five million, five hundred seventy-two thousand, two hundred thirteen".