6221270 has 32 divisors (see below), whose sum is σ = 12752640. Its totient is φ = 2163040.

The previous prime is 6221263. The next prime is 6221273. The reversal of 6221270 is 721226.

6221270 = T₁₅₇₅ + T₁₅₇₆ + ... + T₁₅₇₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1301 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (398520).

Almost surely, 2^6221270 is an apocalyptic number.

6221270 is an abundant number, since it is smaller than the sum of its proper divisors (6531370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6221270 is a wasteful number, since it uses less digits than its factorization.

6221270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6221270 is about 2494.2473814760. The cubic root of 6221270 is about 183.9188954149.

Adding to 6221270 its reverse (721226), we get a palindrome (6942496).

The spelling of 6221270 in words is "six million, two hundred twenty-one thousand, two hundred seventy".