536686722 has 80 divisors (see below), whose sum is σ = 1412877312. Its totient is φ = 150115680.

The previous prime is 536686721. The next prime is 536686747. The reversal of 536686722 is 227686635.

It is a happy number.

It is a super-2 number, since 2×536686722² = 576065275142210568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (536686721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11583 + ... + 34749.

Almost surely, 2^536686722 is an apocalyptic number.

It is a pronic number, being equal to 23166×23167.

It is a practical number, because each smaller number is the sum of distinct divisors of 536686722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706438656).

536686722 is an abundant number, since it is smaller than the sum of its proper divisors (876190590).

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

536686722 is a wasteful number, since it uses less digits than its factorization.

536686722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23205 (or 23196 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 536686722 is about 23166.4999946043. The cubic root of 536686722 is about 812.6563817967.

The spelling of 536686722 in words is "five hundred thirty-six million, six hundred eighty-six thousand, seven hundred twenty-two".