4022479 has 4 divisors (see below), whose sum is σ = 4082584. Its totient is φ = 3962376.

The previous prime is 4022477. The next prime is 4022483. The reversal of 4022479 is 9742204.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4022479 - 2¹ = 4022477 is a prime.

It is a Duffinian number.

4022479 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29952 + ... + 30085.

It is an arithmetic number, because the mean of its divisors is an integer number (1020646).

Almost surely, 2^4022479 is an apocalyptic number.

4022479 is a deficient number, since it is larger than the sum of its proper divisors (60105).

4022479 is an equidigital number, since it uses as much as digits as its factorization.

4022479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60104.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 4022479 is about 2005.6118767099. The cubic root of 4022479 is about 159.0369098020.

The spelling of 4022479 in words is "four million, twenty-two thousand, four hundred seventy-nine".