4022813 has 4 divisors (see below), whose sum is σ = 4234560. Its totient is φ = 3811068.

The previous prime is 4022807. The next prime is 4022827. The reversal of 4022813 is 3182204.

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 4022813 - 2⁶ = 4022749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022803) 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, 105845 + ... + 105882.

It is an arithmetic number, because the mean of its divisors is an integer number (1058640).

Almost surely, 2^4022813 is an apocalyptic number.

It is an amenable number.

4022813 is a deficient number, since it is larger than the sum of its proper divisors (211747).

4022813 is a wasteful number, since it uses less digits than its factorization.

4022813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211746.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 4022813 is about 2005.6951413413. The cubic root of 4022813 is about 159.0413114706.

The spelling of 4022813 in words is "four million, twenty-two thousand, eight hundred thirteen".