22211222170 has 16 divisors (see below), whose sum is σ = 40005677088. Its totient is φ = 8878827280.

The previous prime is 22211222161. The next prime is 22211222171. The reversal of 22211222170 is 7122211222.

It is not an unprimeable number, because it can be changed into a prime (22211222171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 691204 + ... + 722623.

It is an arithmetic number, because the mean of its divisors is an integer number (2500354818).

Almost surely, 2^22211222170 is an apocalyptic number.

22211222170 is a deficient number, since it is larger than the sum of its proper divisors (17794454918).

22211222170 is a wasteful number, since it uses less digits than its factorization.

22211222170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415405.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 22211222170 its reverse (7122211222), we get a palindrome (29333433392).

The spelling of 22211222170 in words is "twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred seventy".