4420069 has 2 divisors, whose sum is σ = 4420070. Its totient is φ = 4420068.

The previous prime is 4420067. The next prime is 4420081. The reversal of 4420069 is 9600244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 664225 = 1938^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420069 - 2¹ = 4420067 is a prime.

It is a super-2 number, since 2×4420069² = 39074019929522, which contains 22 as substring.

Together with 4420067, it forms a pair of twin primes.

4420069 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210034 + 2210035.

It is an arithmetic number, because the mean of its divisors is an integer number (2210035).

Almost surely, 2^4420069 is an apocalyptic number.

It is an amenable number.

4420069 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420069 is an equidigital number, since it uses as much as digits as its factorization.

4420069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4420069 is about 2102.3960140754. The cubic root of 4420069 is about 164.1130120324.

The spelling of 4420069 in words is "four million, four hundred twenty thousand, sixty-nine".