222602421888 has 640 divisors, whose sum is σ = 841669107840. Its totient is φ = 56717107200.

The previous prime is 222602421863. The next prime is 222602421889. The reversal of 222602421888 is 888124206222.

222602421888 is a `hidden beast` number, since 2 + 22 + 602 + 4 + 2 + 18 + 8 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (222602421889) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 42309178 + ... + 42314438.

It is an arithmetic number, because the mean of its divisors is an integer number (1315107981).

Almost surely, 2^222602421888 is an apocalyptic number.

222602421888 is a gapful number since it is divisible by the number (28) 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 222602421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420834553920).

222602421888 is an abundant number, since it is smaller than the sum of its proper divisors (619066685952).

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

222602421888 is a wasteful number, since it uses less digits than its factorization.

222602421888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5358 (or 5337 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 45.

The spelling of 222602421888 in words is "two hundred twenty-two billion, six hundred two million, four hundred twenty-one thousand, eight hundred eighty-eight".