22220561870 has 16 divisors (see below), whose sum is σ = 43073704800. Its totient is φ = 8204515104.

The previous prime is 22220561861. The next prime is 22220561893. The reversal of 22220561870 is 7816502222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220561870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85463570 + ... + 85463829.

It is an arithmetic number, because the mean of its divisors is an integer number (2692106550).

Almost surely, 2^22220561870 is an apocalyptic number.

22220561870 is a deficient number, since it is larger than the sum of its proper divisors (20853142930).

22220561870 is a wasteful number, since it uses less digits than its factorization.

22220561870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170927419.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 22220561870 in words is "twenty-two billion, two hundred twenty million, five hundred sixty-one thousand, eight hundred seventy".