147986622 has 128 divisors (see below), whose sum is σ = 395550720. Its totient is φ = 40124160.

The previous prime is 147986617. The next prime is 147986627. The reversal of 147986622 is 226689741.

It is a happy number.

147986622 is a `hidden beast` number, since 14 + 7 + 9 + 8 + 6 + 622 = 666.

It is an interprime number because it is at equal distance from previous prime (147986617) and next prime (147986627).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147986627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 855328 + ... + 855500.

It is an arithmetic number, because the mean of its divisors is an integer number (3090240).

Almost surely, 2^147986622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147986622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (197775360).

147986622 is an abundant number, since it is smaller than the sum of its proper divisors (247564098).

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

147986622 is a wasteful number, since it uses less digits than its factorization.

147986622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 289 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 147986622 is about 12164.9752157577. The cubic root of 147986622 is about 528.9413089737.

The spelling of 147986622 in words is "one hundred forty-seven million, nine hundred eighty-six thousand, six hundred twenty-two".