147222417 has 8 divisors (see below), whose sum is σ = 196832896. Its totient is φ = 97880112.

The previous prime is 147222409. The next prime is 147222419. The reversal of 147222417 is 714222741.

147222417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 147222417 - 2³ = 147222409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147222419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65758 + ... + 67959.

It is an arithmetic number, because the mean of its divisors is an integer number (24604112).

Almost surely, 2^147222417 is an apocalyptic number.

It is an amenable number.

147222417 is a deficient number, since it is larger than the sum of its proper divisors (49610479).

147222417 is a wasteful number, since it uses less digits than its factorization.

147222417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134087.

The product of its digits is 6272, while the sum is 30.

The square root of 147222417 is about 12133.5245085672. The cubic root of 147222417 is about 528.0292504170.

The spelling of 147222417 in words is "one hundred forty-seven million, two hundred twenty-two thousand, four hundred seventeen".