222020655880 has 32 divisors (see below), whose sum is σ = 499598072640. Its totient is φ = 88799089600.

The previous prime is 222020655851. The next prime is 222020655889. The reversal of 222020655880 is 88556020222.

It is a happy number.

222020655880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (222020655889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112317 + ... + 675763.

It is an arithmetic number, because the mean of its divisors is an integer number (15612439770).

Almost surely, 2^222020655880 is an apocalyptic number.

222020655880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222020655880 is an abundant number, since it is smaller than the sum of its proper divisors (277577416760).

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

222020655880 is a wasteful number, since it uses less digits than its factorization.

222020655880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573309 (or 573305 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 40.

The spelling of 222020655880 in words is "two hundred twenty-two billion, twenty million, six hundred fifty-five thousand, eight hundred eighty".