531327564222 has 128 divisors (see below), whose sum is σ = 1335229056000. Its totient is φ = 140061656448.

The previous prime is 531327564167. The next prime is 531327564233. The reversal of 531327564222 is 222465723135.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77823973 + ... + 77830799.

It is an arithmetic number, because the mean of its divisors is an integer number (10431477000).

Almost surely, 2^531327564222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531327564222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667614528000).

531327564222 is an abundant number, since it is smaller than the sum of its proper divisors (803901491778).

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

531327564222 is a wasteful number, since it uses less digits than its factorization.

531327564222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775 (or 9761 counting only the distinct ones).

The product of its digits is 604800, while the sum is 42.

The spelling of 531327564222 in words is "five hundred thirty-one billion, three hundred twenty-seven million, five hundred sixty-four thousand, two hundred twenty-two".