6422155 has 8 divisors (see below), whose sum is σ = 7729200. Its totient is φ = 5122656.

The previous prime is 6422113. The next prime is 6422167. The reversal of 6422155 is 5512246.

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 6422155 - 2⁷ = 6422027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201 + ... + 3589.

It is an arithmetic number, because the mean of its divisors is an integer number (966150).

Almost surely, 2^6422155 is an apocalyptic number.

6422155 is a deficient number, since it is larger than the sum of its proper divisors (1307045).

6422155 is a wasteful number, since it uses less digits than its factorization.

6422155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3773.

The product of its digits is 2400, while the sum is 25.

The square root of 6422155 is about 2534.1971115128. The cubic root of 6422155 is about 185.8775449425.

Subtracting from 6422155 its reverse (5512246), we obtain a palindrome (909909).

The spelling of 6422155 in words is "six million, four hundred twenty-two thousand, one hundred fifty-five".