2269261 has 4 divisors (see below), whose sum is σ = 2306524. Its totient is φ = 2232000.

The previous prime is 2269237. The next prime is 2269273. The reversal of 2269261 is 1629622.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 2175625 = 306^2 + 1475^2 .

It is a cyclic number.

It is not a de Polignac number, because 2269261 - 2⁷ = 2269133 is a prime.

It is a super-2 number, since 2×2269261² = 10299090972242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2269061) 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, 18540 + ... + 18661.

It is an arithmetic number, because the mean of its divisors is an integer number (576631).

2^2269261 is an apocalyptic number.

It is an amenable number.

2269261 is a deficient number, since it is larger than the sum of its proper divisors (37263).

2269261 is an equidigital number, since it uses as much as digits as its factorization.

2269261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37262.

The product of its digits is 2592, while the sum is 28.

The square root of 2269261 is about 1506.4066516051. The cubic root of 2269261 is about 131.4099196571.

The spelling of 2269261 in words is "two million, two hundred sixty-nine thousand, two hundred sixty-one".