147216522 has 24 divisors (see below), whose sum is σ = 310749696. Its totient is φ = 46488744.

The previous prime is 147216493. The next prime is 147216523. The reversal of 147216522 is 225612741.

It is a self number, because there is not a number n which added to its sum of digits gives 147216522.

It is not an unprimeable number, because it can be changed into a prime (147216523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31818 + ... + 36149.

It is an arithmetic number, because the mean of its divisors is an integer number (12947904).

Almost surely, 2^147216522 is an apocalyptic number.

147216522 is an abundant number, since it is smaller than the sum of its proper divisors (163533174).

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

147216522 is a wasteful number, since it uses less digits than its factorization.

147216522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68010 (or 67991 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 147216522 is about 12133.2815841387. The cubic root of 147216522 is about 528.0222026361.

The spelling of 147216522 in words is "one hundred forty-seven million, two hundred sixteen thousand, five hundred twenty-two".