22220001166610 has 64 divisors (see below), whose sum is σ = 43681560975360. Its totient is φ = 8088331023360.

The previous prime is 22220001166523. The next prime is 22220001166661. The reversal of 22220001166610 is 1666110002222.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216604511 + ... + 216707069.

It is an arithmetic number, because the mean of its divisors is an integer number (682524390240).

Almost surely, 2^{22220001166610} is an apocalyptic number.

22220001166610 is a deficient number, since it is larger than the sum of its proper divisors (21461559808750).

22220001166610 is a wasteful number, since it uses less digits than its factorization.

22220001166610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126123.

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 22220001166610 its reverse (1666110002222), we get a palindrome (23886111168832).

The spelling of 22220001166610 in words is "twenty-two trillion, two hundred twenty billion, one million, one hundred sixty-six thousand, six hundred ten".