265722 has 16 divisors (see below), whose sum is σ = 540192. Its totient is φ = 87120.

The previous prime is 265717. The next prime is 265729. The reversal of 265722 is 227562.

It is a d-powerful number, because it can be written as 2² + 6² + 7⁴ + 5⁴ + 2⁹ + 2¹⁸ .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 265692 and 265701.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 265722.

It is not an unprimeable number, because it can be changed into a prime (265729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (33762).

265722 is a Friedman number, since it can be written as (5+(7+2)^6-2)/2, using all its digits and the basic arithmetic operations.

2²⁶⁵⁷²² is an apocalyptic number.

265722 is an abundant number, since it is smaller than the sum of its proper divisors (274470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265722 is a wasteful number, since it uses less digits than its factorization.

265722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733.

The product of its digits is 1680, while the sum is 24.

The square root of 265722 is about 515.4822984352. The cubic root of 265722 is about 64.2898635770.

The spelling of 265722 in words is "two hundred sixty-five thousand, seven hundred twenty-two".