3666972228322 has 32 divisors (see below), whose sum is σ = 6129984530880. Its totient is φ = 1633514299200.

The previous prime is 3666972228307. The next prime is 3666972228373. The reversal of 3666972228322 is 2238222796663.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296733 + ... + 3002575.

It is an arithmetic number, because the mean of its divisors is an integer number (191562016590).

Almost surely, 2^{3666972228322} is an apocalyptic number.

3666972228322 is a deficient number, since it is larger than the sum of its proper divisors (2463012302558).

3666972228322 is a wasteful number, since it uses less digits than its factorization.

3666972228322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708738.

The product of its digits is 31352832, while the sum is 58.

The spelling of 3666972228322 in words is "three trillion, six hundred sixty-six billion, nine hundred seventy-two million, two hundred twenty-eight thousand, three hundred twenty-two".