147221088 has 192 divisors, whose sum is σ = 479001600. Its totient is φ = 39438336.

The previous prime is 147221083. The next prime is 147221099. The reversal of 147221088 is 880122741.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147221083) 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 31 ways as a sum of consecutive naturals, for example, 559645 + ... + 559907.

It is an arithmetic number, because the mean of its divisors is an integer number (2494800).

Almost surely, 2^147221088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147221088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239500800).

147221088 is an abundant number, since it is smaller than the sum of its proper divisors (331780512).

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

147221088 is a wasteful number, since it uses less digits than its factorization.

147221088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 147221088 is about 12133.4697428229. The cubic root of 147221088 is about 528.0276615444.

The spelling of 147221088 in words is "one hundred forty-seven million, two hundred twenty-one thousand, eighty-eight".