4220569 has 4 divisors (see below), whose sum is σ = 4404096. Its totient is φ = 4037044.

The previous prime is 4220563. The next prime is 4220597. The reversal of 4220569 is 9650224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4220569 - 2⁵ = 4220537 is a prime.

It is a super-2 number, since 2×4220569² = 35626405367522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4220563) 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, 91729 + ... + 91774.

It is an arithmetic number, because the mean of its divisors is an integer number (1101024).

Almost surely, 2^4220569 is an apocalyptic number.

It is an amenable number.

4220569 is a deficient number, since it is larger than the sum of its proper divisors (183527).

4220569 is a wasteful number, since it uses less digits than its factorization.

4220569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183526.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 4220569 is about 2054.4023461825. The cubic root of 4220569 is about 161.6058216256.

The spelling of 4220569 in words is "four million, two hundred twenty thousand, five hundred sixty-nine".