4002269 has 2 divisors, whose sum is σ = 4002270. Its totient is φ = 4002268.

The previous prime is 4002263. The next prime is 4002281. The reversal of 4002269 is 9622004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2679769 + 1322500 = 1637^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002269 - 2⁸ = 4002013 is a prime.

It is a super-2 number, since 2×4002269² = 32036314296722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002263) 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 as a sum of consecutive naturals, namely, 2001134 + 2001135.

It is an arithmetic number, because the mean of its divisors is an integer number (2001135).

Almost surely, 2^4002269 is an apocalyptic number.

It is an amenable number.

4002269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002269 is an equidigital number, since it uses as much as digits as its factorization.

4002269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 4002269 is about 2000.5671695797. The cubic root of 4002269 is about 158.7701146315.

The spelling of 4002269 in words is "four million, two thousand, two hundred sixty-nine".