202220147 has 8 divisors (see below), whose sum is σ = 205634160. Its totient is φ = 198823680.

The previous prime is 202220143. The next prime is 202220177. The reversal of 202220147 is 741022202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 202220147 - 2² = 202220143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19979 + ... + 28347.

It is an arithmetic number, because the mean of its divisors is an integer number (25704270).

Almost surely, 2^202220147 is an apocalyptic number.

202220147 is a deficient number, since it is larger than the sum of its proper divisors (3414013).

202220147 is an equidigital number, since it uses as much as digits as its factorization.

202220147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 202220147 is about 14220.4130390084. The cubic root of 202220147 is about 586.9595060423.

Adding to 202220147 its reverse (741022202), we get a palindrome (943242349).

The spelling of 202220147 in words is "two hundred two million, two hundred twenty thousand, one hundred forty-seven".