222561303608 has 32 divisors (see below), whose sum is σ = 483634229760. Its totient is φ = 94039985760.

The previous prime is 222561303607. The next prime is 222561303641. The reversal of 222561303608 is 806303165222.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222561303607) 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, 27984116 + ... + 27992067.

It is an arithmetic number, because the mean of its divisors is an integer number (15113569680).

Almost surely, 2^222561303608 is an apocalyptic number.

222561303608 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

222561303608 is an abundant number, since it is smaller than the sum of its proper divisors (261072926152).

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

222561303608 is a wasteful number, since it uses less digits than its factorization.

222561303608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55976267 (or 55976263 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 222561303608 in words is "two hundred twenty-two billion, five hundred sixty-one million, three hundred three thousand, six hundred eight".