147222307 has 4 divisors (see below), whose sum is σ = 147301416. Its totient is φ = 147143200.

The previous prime is 147222301. The next prime is 147222343. The reversal of 147222307 is 703222741.

147222307 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703222741 = 13 ⋅54094057.

It is a cyclic number.

It is not a de Polignac number, because 147222307 - 2²³ = 138833699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147222301) 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, 36694 + ... + 40507.

It is an arithmetic number, because the mean of its divisors is an integer number (36825354).

Almost surely, 2^147222307 is an apocalyptic number.

147222307 is a deficient number, since it is larger than the sum of its proper divisors (79109).

147222307 is an equidigital number, since it uses as much as digits as its factorization.

147222307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79108.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 147222307 is about 12133.5199756707. The cubic root of 147222307 is about 528.0291189079.

The spelling of 147222307 in words is "one hundred forty-seven million, two hundred twenty-two thousand, three hundred seven".