202216064 has 16 divisors (see below), whose sum is σ = 402852570. Its totient is φ = 101107968.

The previous prime is 202216061. The next prime is 202216087. The reversal of 202216064 is 460612202.

It can be written as a sum of positive squares in only one way, i.e., 131790400 + 70425664 = 11480^2 + 8392^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (202216061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789779 + ... + 790034.

Almost surely, 2^202216064 is an apocalyptic number.

It is an amenable number.

202216064 is a deficient number, since it is larger than the sum of its proper divisors (200636506).

202216064 is an equidigital number, since it uses as much as digits as its factorization.

202216064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579827 (or 1579815 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 202216064 is about 14220.2694770528. The cubic root of 202216064 is about 586.9555556087.

Adding to 202216064 its reverse (460612202), we get a palindrome (662828266).

The spelling of 202216064 in words is "two hundred two million, two hundred sixteen thousand, sixty-four".