2217062066 has 4 divisors (see below), whose sum is σ = 3325593102. Its totient is φ = 1108531032.

The previous prime is 2217061997. The next prime is 2217062119. The reversal of 2217062066 is 6602607122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2011971025 + 205091041 = 44855^2 + 14321^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554265515 + ... + 554265518.

Almost surely, 2^2217062066 is an apocalyptic number.

2217062066 is a deficient number, since it is larger than the sum of its proper divisors (1108531036).

2217062066 is a wasteful number, since it uses less digits than its factorization.

2217062066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108531035.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2217062066 is about 47085.6885475831. The cubic root of 2217062066 is about 1303.9450311335.

Adding to 2217062066 its reverse (6602607122), we get a palindrome (8819669188).

The spelling of 2217062066 in words is "two billion, two hundred seventeen million, sixty-two thousand, sixty-six".