6222145 has 4 divisors (see below), whose sum is σ = 7466580. Its totient is φ = 4977712.

The previous prime is 6222113. The next prime is 6222149. The reversal of 6222145 is 5412226.

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 3429904 + 2792241 = 1852^2 + 1671^2 .

It is a cyclic number.

It is not a de Polignac number, because 6222145 - 2⁵ = 6222113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6222149) 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, 622210 + ... + 622219.

It is an arithmetic number, because the mean of its divisors is an integer number (1866645).

Almost surely, 2^6222145 is an apocalyptic number.

It is an amenable number.

6222145 is a deficient number, since it is larger than the sum of its proper divisors (1244435).

6222145 is a wasteful number, since it uses less digits than its factorization.

6222145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244434.

The product of its digits is 960, while the sum is 22.

The square root of 6222145 is about 2494.4227789210. The cubic root of 6222145 is about 183.9275175285.

The spelling of 6222145 in words is "six million, two hundred twenty-two thousand, one hundred forty-five".