4222204060666 has 4 divisors (see below), whose sum is σ = 6333306091002. Its totient is φ = 2111102030332.

The previous prime is 4222204060663. The next prime is 4222204060751. The reversal of 4222204060666 is 6660604022224.

It is a happy number.

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., 3127135993641 + 1095068067025 = 1768371^2 + 1046455^2 .

It is not an unprimeable number, because it can be changed into a prime (4222204060661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055551015165 + ... + 1055551015168.

Almost surely, 2^{4222204060666} is an apocalyptic number.

4222204060666 is a deficient number, since it is larger than the sum of its proper divisors (2111102030336).

4222204060666 is a wasteful number, since it uses less digits than its factorization.

4222204060666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111102030335.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 4222204060666 in words is "four trillion, two hundred twenty-two billion, two hundred four million, sixty thousand, six hundred sixty-six".