536223731 has 4 divisors (see below), whose sum is σ = 536368752. Its totient is φ = 536078712.

The previous prime is 536223703. The next prime is 536223767. The reversal of 536223731 is 137322635.

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

It is a cyclic number.

It is not a de Polignac number, because 536223731 - 2¹⁰ = 536222707 is a prime.

It is a super-2 number, since 2×536223731² = 575071779375120722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536223781) 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, 66815 + ... + 74408.

It is an arithmetic number, because the mean of its divisors is an integer number (134092188).

Almost surely, 2^536223731 is an apocalyptic number.

536223731 is a deficient number, since it is larger than the sum of its proper divisors (145021).

536223731 is a wasteful number, since it uses less digits than its factorization.

536223731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145020.

The product of its digits is 22680, while the sum is 32.

The square root of 536223731 is about 23156.5051551395. The cubic root of 536223731 is about 812.4226260363.

The spelling of 536223731 in words is "five hundred thirty-six million, two hundred twenty-three thousand, seven hundred thirty-one".