265922 has 4 divisors (see below), whose sum is σ = 398886. Its totient is φ = 132960.

The previous prime is 265921. The next prime is 265957. The reversal of 265922 is 229562.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 229562 = 2 ⋅114781.

It can be written as a sum of positive squares in only one way, i.e., 229441 + 36481 = 479^2 + 191^2 .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 265891 and 265900.

It is not an unprimeable number, because it can be changed into a prime (265921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66479 + ... + 66482.

2²⁶⁵⁹²² is an apocalyptic number.

265922 is a deficient number, since it is larger than the sum of its proper divisors (132964).

265922 is a wasteful number, since it uses less digits than its factorization.

265922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132963.

The product of its digits is 2160, while the sum is 26.

The square root of 265922 is about 515.6762550283. The cubic root of 265922 is about 64.3059891370.

The spelling of 265922 in words is "two hundred sixty-five thousand, nine hundred twenty-two".