531022 has 4 divisors (see below), whose sum is σ = 796536. Its totient is φ = 265510.

The previous prime is 531017. The next prime is 531023. The reversal of 531022 is 220135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 220135 = 5 ⋅44027.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 530993 and 531011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531023) by changing a digit.

531022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132754 + ... + 132757.

It is an arithmetic number, because the mean of its divisors is an integer number (199134).

2⁵³¹⁰²² is an apocalyptic number.

531022 is a deficient number, since it is larger than the sum of its proper divisors (265514).

531022 is a wasteful number, since it uses less digits than its factorization.

531022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265513.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 531022 is about 728.7125633609. The cubic root of 531022 is about 80.9787069977.

Adding to 531022 its reverse (220135), we get a palindrome (751157).

The spelling of 531022 in words is "five hundred thirty-one thousand, twenty-two".