8372225 has 6 divisors (see below), whose sum is σ = 10381590. Its totient is φ = 6697760.

The previous prime is 8372219. The next prime is 8372227. The reversal of 8372225 is 5222738.

8372225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 261121 + 8111104 = 511^2 + 2848^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8372225 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8372227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167420 + ... + 167469.

It is an arithmetic number, because the mean of its divisors is an integer number (1730265).

It is a Proth number, since it is equal to 511 ⋅ 2¹⁴ + 1 and 511 < 2¹⁴.

Almost surely, 2^8372225 is an apocalyptic number.

It is an amenable number.

8372225 is a deficient number, since it is larger than the sum of its proper divisors (2009365).

8372225 is a wasteful number, since it uses less digits than its factorization.

8372225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334899 (or 334894 counting only the distinct ones).

The product of its digits is 6720, while the sum is 29.

The square root of 8372225 is about 2893.4797389994. The cubic root of 8372225 is about 203.0549730998.

The spelling of 8372225 in words is "eight million, three hundred seventy-two thousand, two hundred twenty-five".