4022869 has 2 divisors, whose sum is σ = 4022870. Its totient is φ = 4022868.

The previous prime is 4022867. The next prime is 4022873. The reversal of 4022869 is 9682204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3478225 + 544644 = 1865^2 + 738^2 .

It is a cyclic number.

It is not a de Polignac number, because 4022869 - 2¹ = 4022867 is a prime.

It is a super-2 number, since 2×4022869² = 32366949982322, which contains 22 as substring.

Together with 4022867, it forms a pair of twin primes.

4022869 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4022869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4022867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2011434 + 2011435.

It is an arithmetic number, because the mean of its divisors is an integer number (2011435).

Almost surely, 2^4022869 is an apocalyptic number.

It is an amenable number.

4022869 is a deficient number, since it is larger than the sum of its proper divisors (1).

4022869 is an equidigital number, since it uses as much as digits as its factorization.

4022869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 4022869 is about 2005.7091015399. The cubic root of 4022869 is about 159.0420494510.

The spelling of 4022869 in words is "four million, twenty-two thousand, eight hundred sixty-nine".