147220607 has 4 divisors (see below), whose sum is σ = 154969080. Its totient is φ = 139472136.

The previous prime is 147220571. The next prime is 147220609. The reversal of 147220607 is 706022741.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 706022741 = 11239 ⋅62819.

It is a cyclic number.

It is not a de Polignac number, because 147220607 - 2⁶ = 147220543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147220607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147220609) 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, 3874208 + ... + 3874245.

It is an arithmetic number, because the mean of its divisors is an integer number (38742270).

Almost surely, 2^147220607 is an apocalyptic number.

147220607 is a deficient number, since it is larger than the sum of its proper divisors (7748473).

147220607 is an equidigital number, since it uses as much as digits as its factorization.

147220607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748472.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 147220607 is about 12133.4499216010. The cubic root of 147220607 is about 528.0270864873.

The spelling of 147220607 in words is "one hundred forty-seven million, two hundred twenty thousand, six hundred seven".