6222551 has 2 divisors, whose sum is σ = 6222552. Its totient is φ = 6222550.

The previous prime is 6222533. The next prime is 6222607. The reversal of 6222551 is 1552226.

6222551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6222551 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p₄₂₇₀₇₃ and since 6222551 and 427073 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6222451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111275 + 3111276.

It is an arithmetic number, because the mean of its divisors is an integer number (3111276).

Almost surely, 2^6222551 is an apocalyptic number.

6222551 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222551 is an equidigital number, since it uses as much as digits as its factorization.

6222551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 23.

The square root of 6222551 is about 2494.5041591467. The cubic root of 6222551 is about 183.9315179146.

Adding to 6222551 its reverse (1552226), we get a palindrome (7774777).

The spelling of 6222551 in words is "six million, two hundred twenty-two thousand, five hundred fifty-one".