2144269 has 2 divisors, whose sum is σ = 2144270. Its totient is φ = 2144268.

The previous prime is 2144251. The next prime is 2144273. The reversal of 2144269 is 9624412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 354025 = 1338^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 2144269 - 2¹³ = 2136077 is a prime.

It is a super-2 number, since 2×2144269² = 9195779088722, which contains 22 as substring.

2144269 is a lucky number.

It is equal to p₁₅₈₈₆₀ and since 2144269 and 158860 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2144209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072134 + 1072135.

It is an arithmetic number, because the mean of its divisors is an integer number (1072135).

2^2144269 is an apocalyptic number.

It is an amenable number.

2144269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2144269 is an equidigital number, since it uses as much as digits as its factorization.

2144269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 2144269 is about 1464.3322710369. The cubic root of 2144269 is about 128.9515071222.

The spelling of 2144269 in words is "two million, one hundred forty-four thousand, two hundred sixty-nine".