222320145408 has 88 divisors (see below), whose sum is σ = 596890658112. Its totient is φ = 73565650944.

The previous prime is 222320145379. The next prime is 222320145409. The reversal of 222320145408 is 804541023222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222320145409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156741 + ... + 684987.

Almost surely, 2^222320145408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222320145408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298445329056).

222320145408 is an abundant number, since it is smaller than the sum of its proper divisors (374570512704).

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

222320145408 is a wasteful number, since it uses less digits than its factorization.

222320145408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528407 (or 528389 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 222320145408 in words is "two hundred twenty-two billion, three hundred twenty million, one hundred forty-five thousand, four hundred eight".