4221412 has 12 divisors (see below), whose sum is σ = 7955836. Its totient is φ = 1948320.

The previous prime is 4221409. The next prime is 4221419. The reversal of 4221412 is 2141224.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 2643876 = 1256^2 + 1626^2 .

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4221419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40539 + ... + 40642.

Almost surely, 2^4221412 is an apocalyptic number.

It is an amenable number.

4221412 is a deficient number, since it is larger than the sum of its proper divisors (3734424).

4221412 is a wasteful number, since it uses less digits than its factorization.

4221412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81198 (or 81196 counting only the distinct ones).

The product of its digits is 128, while the sum is 16.

The square root of 4221412 is about 2054.6075050968. The cubic root of 4221412 is about 161.6165804149.

Adding to 4221412 its reverse (2141224), we get a palindrome (6362636).

The spelling of 4221412 in words is "four million, two hundred twenty-one thousand, four hundred twelve".