531222234 has 8 divisors (see below), whose sum is σ = 1062444480. Its totient is φ = 177074076.

The previous prime is 531222187. The next prime is 531222257. The reversal of 531222234 is 432222135.

It is a sphenic number, since it is the product of 3 distinct primes.

531222234 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44268514 + ... + 44268525.

It is an arithmetic number, because the mean of its divisors is an integer number (132805560).

Almost surely, 2^531222234 is an apocalyptic number.

531222234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

531222234 is a wasteful number, since it uses less digits than its factorization.

531222234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88537044.

The product of its digits is 2880, while the sum is 24.

The square root of 531222234 is about 23048.2588062526. The cubic root of 531222234 is about 809.8888401031. Note that the first 4 decimals are identical.

Adding to 531222234 its reverse (432222135), we get a palindrome (963444369).

Subtracting from 531222234 its reverse (432222135), we obtain a palindrome (99000099).

The spelling of 531222234 in words is "five hundred thirty-one million, two hundred twenty-two thousand, two hundred thirty-four".