4221010 has 8 divisors (see below), whose sum is σ = 7597836. Its totient is φ = 1688400.

The previous prime is 4220987. The next prime is 4221011. The reversal of 4221010 is 101224.

4221010 = T₁₆₇₆ + T₁₆₇₇ + T₁₆₇₈.

It can be written as a sum of positive squares in 2 ways, for example, as 3908529 + 312481 = 1977^2 + 559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (10), and also a Moran number because the ratio is a prime number: 422101 = 4221010 / (4 + 2 + 2 + 1 + 0 + 1 + 0).

It is not an unprimeable number, because it can be changed into a prime (4221011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211041 + ... + 211060.

Almost surely, 2^4221010 is an apocalyptic number.

4221010 is the 1678-th centered triangular number.

4221010 is a deficient number, since it is larger than the sum of its proper divisors (3376826).

4221010 is a wasteful number, since it uses less digits than its factorization.

4221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422108.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4221010 is about 2054.5096738638. The cubic root of 4221010 is about 161.6114500677.

Adding to 4221010 its reverse (101224), we get a palindrome (4322234).

The spelling of 4221010 in words is "four million, two hundred twenty-one thousand, ten".