222147480820 has 12 divisors (see below), whose sum is σ = 466509709764. Its totient is φ = 88858992320.

The previous prime is 222147480803. The next prime is 222147480857. The reversal of 222147480820 is 28084741222.

It is a happy number.

222147480820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 174159320976 + 47988159844 = 417324^2 + 219062^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5553687001 + ... + 5553687040.

It is an arithmetic number, because the mean of its divisors is an integer number (38875809147).

Almost surely, 2^222147480820 is an apocalyptic number.

222147480820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222147480820 is an abundant number, since it is smaller than the sum of its proper divisors (244362228944).

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

222147480820 is a wasteful number, since it uses less digits than its factorization.

222147480820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11107374050 (or 11107374048 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The spelling of 222147480820 in words is "two hundred twenty-two billion, one hundred forty-seven million, four hundred eighty thousand, eight hundred twenty".