147221366 has 8 divisors (see below), whose sum is σ = 221586624. Its totient is φ = 73359160.

The previous prime is 147221359. The next prime is 147221369. The reversal of 147221366 is 663122741.

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

It is a super-3 number, since 3×147221366³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147221369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125030 + ... + 126201.

It is an arithmetic number, because the mean of its divisors is an integer number (27698328).

Almost surely, 2^147221366 is an apocalyptic number.

147221366 is a deficient number, since it is larger than the sum of its proper divisors (74365258).

147221366 is a wasteful number, since it uses less digits than its factorization.

147221366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251526.

The product of its digits is 12096, while the sum is 32.

The square root of 147221366 is about 12133.4811987327. The cubic root of 147221366 is about 528.0279939053.

The spelling of 147221366 in words is "one hundred forty-seven million, two hundred twenty-one thousand, three hundred sixty-six".