534221320 has 32 divisors (see below), whose sum is σ = 1213908120. Its totient is φ = 211571200.

The previous prime is 534221273. The next prime is 534221321. The reversal of 534221320 is 23122435.

It can be written as a sum of positive squares in 4 ways, for example, as 507781156 + 26440164 = 22534^2 + 5142^2 .

It is a junction number, because it is equal to n+sod(n) for n = 534221291 and 534221300.

It is not an unprimeable number, because it can be changed into a prime (534221321) 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, 62077 + ... + 70156.

Almost surely, 2^534221320 is an apocalyptic number.

It is an amenable number.

534221320 is an abundant number, since it is smaller than the sum of its proper divisors (679686800).

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

534221320 is a wasteful number, since it uses less digits than its factorization.

534221320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132345 (or 132341 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 534221320 is about 23113.2282470450. The cubic root of 534221320 is about 811.4100927084.

Adding to 534221320 its reverse (23122435), we get a palindrome (557343755).

It can be divided in two parts, 5342 and 21320, that added together give a palindrome (26662).

The spelling of 534221320 in words is "five hundred thirty-four million, two hundred twenty-one thousand, three hundred twenty".