147228238 has 8 divisors (see below), whose sum is σ = 227966400. Its totient is φ = 71239440.

The previous prime is 147228233. The next prime is 147228239. The reversal of 147228238 is 832822741.

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

It is a junction number, because it is equal to n+sod(n) for n = 147228197 and 147228206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147228233) 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, 1187263 + ... + 1187386.

It is an arithmetic number, because the mean of its divisors is an integer number (28495800).

Almost surely, 2^147228238 is an apocalyptic number.

147228238 is a deficient number, since it is larger than the sum of its proper divisors (80738162).

147228238 is a wasteful number, since it uses less digits than its factorization.

147228238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374682.

The product of its digits is 43008, while the sum is 37.

The square root of 147228238 is about 12133.7643787903. The cubic root of 147228238 is about 528.0362095423.

The spelling of 147228238 in words is "one hundred forty-seven million, two hundred twenty-eight thousand, two hundred thirty-eight".