2217328222660 has 48 divisors (see below), whose sum is σ = 4918376719872. Its totient is φ = 838359648000.

The previous prime is 2217328222643. The next prime is 2217328222661. The reversal of 2217328222660 is 662228237122.

It is a happy number.

It is a super-3 number, since 3×2217328222660³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (2217328222661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41558641 + ... + 41611960.

It is an arithmetic number, because the mean of its divisors is an integer number (102466181664).

Almost surely, 2^{2217328222660} is an apocalyptic number.

2217328222660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2217328222660 is an abundant number, since it is smaller than the sum of its proper divisors (2701048497212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2217328222660 is a wasteful number, since it uses less digits than its factorization.

2217328222660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83170684 (or 83170682 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 2217328222660 in words is "two trillion, two hundred seventeen billion, three hundred twenty-eight million, two hundred twenty-two thousand, six hundred sixty".