4421066 has 16 divisors (see below), whose sum is σ = 7219464. Its totient is φ = 2018304.

The previous prime is 4421063. The next prime is 4421113. The reversal of 4421066 is 6601244.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1615441 + 2805625 = 1271^2 + 1675^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 3398.

Almost surely, 2^4421066 is an apocalyptic number.

4421066 is a deficient number, since it is larger than the sum of its proper divisors (2798398).

4421066 is a wasteful number, since it uses less digits than its factorization.

4421066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4421066 is about 2102.6331111252. The cubic root of 4421066 is about 164.1253503294.

The spelling of 4421066 in words is "four million, four hundred twenty-one thousand, sixty-six".