220022100988 has 24 divisors (see below), whose sum is σ = 392362639200. Its totient is φ = 107919115200.

The previous prime is 220022100983. The next prime is 220022100989. The reversal of 220022100988 is 889001220022.

It is a happy number.

It is a super-2 number, since 2×220022100988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220022100983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398513 + ... + 1547863.

It is an arithmetic number, because the mean of its divisors is an integer number (16348443300).

Almost surely, 2^220022100988 is an apocalyptic number.

It is an amenable number.

220022100988 is a deficient number, since it is larger than the sum of its proper divisors (172340538212).

220022100988 is a wasteful number, since it uses less digits than its factorization.

220022100988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156357 (or 156355 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 220022100988 in words is "two hundred twenty billion, twenty-two million, one hundred thousand, nine hundred eighty-eight".