222044442880 has 144 divisors (see below), whose sum is σ = 577294147584. Its totient is φ = 81339310080.

The previous prime is 222044442871. The next prime is 222044442943. The reversal of 222044442880 is 88244440222.

It is a happy number.

It is a super-2 number, since 2×222044442880² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2060745 + ... + 2165815.

It is an arithmetic number, because the mean of its divisors is an integer number (4008987136).

Almost surely, 2^222044442880 is an apocalyptic number.

222044442880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222044442880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288647073792).

222044442880 is an abundant number, since it is smaller than the sum of its proper divisors (355249704704).

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

222044442880 is a wasteful number, since it uses less digits than its factorization.

222044442880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105232 (or 105218 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 222044442880 in words is "two hundred twenty-two billion, forty-four million, four hundred forty-two thousand, eight hundred eighty".