8212193 has 4 divisors (see below), whose sum is σ = 8958768. Its totient is φ = 7465620.

The previous prime is 8212189. The next prime is 8212213. The reversal of 8212193 is 3912128.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8212193 - 2² = 8212189 is a prime.

It is a super-2 number, since 2×8212193² = 134880227738498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8212163) 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, 373271 + ... + 373292.

It is an arithmetic number, because the mean of its divisors is an integer number (2239692).

Almost surely, 2^8212193 is an apocalyptic number.

It is an amenable number.

8212193 is a deficient number, since it is larger than the sum of its proper divisors (746575).

8212193 is a wasteful number, since it uses less digits than its factorization.

8212193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746574.

The product of its digits is 864, while the sum is 26.

The square root of 8212193 is about 2865.6924119661. The cubic root of 8212193 is about 201.7528673981.

The spelling of 8212193 in words is "eight million, two hundred twelve thousand, one hundred ninety-three".