6221138 has 48 divisors (see below), whose sum is σ = 12312000. Its totient is φ = 2328480.

The previous prime is 6221123. The next prime is 6221147. The reversal of 6221138 is 8311226.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31163 + ... + 31361.

It is an arithmetic number, because the mean of its divisors is an integer number (256500).

Almost surely, 2^6221138 is an apocalyptic number.

6221138 is a deficient number, since it is larger than the sum of its proper divisors (6090862).

6221138 is a wasteful number, since it uses less digits than its factorization.

6221138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 248 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 6221138 is about 2494.2209204479. The cubic root of 6221138 is about 183.9175946373.

The spelling of 6221138 in words is "six million, two hundred twenty-one thousand, one hundred thirty-eight".