147228206 has 4 divisors (see below), whose sum is σ = 220842312. Its totient is φ = 73614102.

The previous prime is 147228167. The next prime is 147228229. The reversal of 147228206 is 602822741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 602822741 = 17977 ⋅33533.

It is a super-2 number, since 2×147228206² = 43352289283956872, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36807050 + ... + 36807053.

It is an arithmetic number, because the mean of its divisors is an integer number (55210578).

Almost surely, 2^147228206 is an apocalyptic number.

147228206 is a deficient number, since it is larger than the sum of its proper divisors (73614106).

147228206 is an equidigital number, since it uses as much as digits as its factorization.

147228206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73614105.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 147228206 is about 12133.7630601557. The cubic root of 147228206 is about 528.0361712861.

The spelling of 147228206 in words is "one hundred forty-seven million, two hundred twenty-eight thousand, two hundred six".