222555504042 has 64 divisors (see below), whose sum is σ = 501834222720. Its totient is φ = 73102176000.

The previous prime is 222555503999. The next prime is 222555504053. The reversal of 222555504042 is 240405555222.

222555504042 is a `hidden beast` number, since 2 + 2 + 25 + 5 + 550 + 40 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 222555503988 and 222555504006.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1054098 + ... + 1247490.

It is an arithmetic number, because the mean of its divisors is an integer number (7841159730).

Almost surely, 2^222555504042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222555504042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250917111360).

222555504042 is an abundant number, since it is smaller than the sum of its proper divisors (279278718678).

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

222555504042 is a wasteful number, since it uses less digits than its factorization.

222555504042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193716 (or 193710 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The spelling of 222555504042 in words is "two hundred twenty-two billion, five hundred fifty-five million, five hundred four thousand, forty-two".