612202216 has 8 divisors (see below), whose sum is σ = 1147879170. Its totient is φ = 306101104.

The previous prime is 612202183. The next prime is 612202237.

612202216 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 293436900 = 17854^2 + 17130^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38262631 + ... + 38262646.

Almost surely, 2^612202216 is an apocalyptic number.

It is an amenable number.

612202216 is a deficient number, since it is larger than the sum of its proper divisors (535676954).

612202216 is a wasteful number, since it uses less digits than its factorization.

612202216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76525283 (or 76525279 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 612202216 is about 24742.7204648155. The cubic root of 612202216 is about 849.1119749942. Note that the first 3 decimals are identical.

It can be divided in two parts, 61220 and 2216, that added together give a palindrome (63436).

The spelling of 612202216 in words is "six hundred twelve million, two hundred two thousand, two hundred sixteen".