537022217 has 4 divisors (see below), whose sum is σ = 541774740. Its totient is φ = 532269696.

The previous prime is 537022183. The next prime is 537022229. The reversal of 537022217 is 712220735.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712220735 = 5 ⋅142444147.

It can be written as a sum of positive squares in 2 ways, for example, as 303421561 + 233600656 = 17419^2 + 15284^2 .

It is a cyclic number.

It is not a de Polignac number, because 537022217 - 2¹⁰ = 537021193 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 537022217.

It is not an unprimeable number, because it can be changed into a prime (537022267) 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, 2376092 + ... + 2376317.

It is an arithmetic number, because the mean of its divisors is an integer number (135443685).

Almost surely, 2^537022217 is an apocalyptic number.

It is an amenable number.

537022217 is a deficient number, since it is larger than the sum of its proper divisors (4752523).

537022217 is a wasteful number, since it uses less digits than its factorization.

537022217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4752522.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 537022217 is about 23173.7398147127. The cubic root of 537022217 is about 812.8256831475.

The spelling of 537022217 in words is "five hundred thirty-seven million, twenty-two thousand, two hundred seventeen".