6220278 has 12 divisors (see below), whose sum is σ = 13477308. Its totient is φ = 2073420.

The previous prime is 6220271. The next prime is 6220289. The reversal of 6220278 is 8720226.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220271) 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, 172768 + ... + 172803.

It is an arithmetic number, because the mean of its divisors is an integer number (1123109).

Almost surely, 2^6220278 is an apocalyptic number.

6220278 is an abundant number, since it is smaller than the sum of its proper divisors (7257030).

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

6220278 is a wasteful number, since it uses less digits than its factorization.

6220278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345579 (or 345576 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6220278 is about 2494.0485159676. The cubic root of 6220278 is about 183.9091194237.

The spelling of 6220278 in words is "six million, two hundred twenty thousand, two hundred seventy-eight".