531520022 has 32 divisors (see below), whose sum is σ = 940308480. Its totient is φ = 222691680.

The previous prime is 531520007. The next prime is 531520027. The reversal of 531520022 is 220025135.

It is a junction number, because it is equal to n+sod(n) for n = 531519976 and 531520003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531520027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1718 + ... + 32649.

It is an arithmetic number, because the mean of its divisors is an integer number (29384640).

Almost surely, 2^531520022 is an apocalyptic number.

531520022 is a deficient number, since it is larger than the sum of its proper divisors (408788458).

531520022 is a wasteful number, since it uses less digits than its factorization.

531520022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34436.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 531520022 is about 23054.7179987091. The cubic root of 531520022 is about 810.0401453455.

Adding to 531520022 its reverse (220025135), we get a palindrome (751545157).

The spelling of 531520022 in words is "five hundred thirty-one million, five hundred twenty thousand, twenty-two".