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22342942720 = 2145747829
BaseRepresentation
bin10100110011101111…
…100100000000000000
32010200010012002110001
4110303233210000000
5331224243131340
614133022445344
71420451610460
oct246357440000
963603162401
1022342942720
11952601061a
1243b6733854
132150c06b87
14111d531ba0
158ab7c129a
hex533be4000

22342942720 has 240 divisors, whose sum is σ = 62660989440. Its totient is φ = 7488405504.

The previous prime is 22342942681. The next prime is 22342942747. The reversal of 22342942720 is 2724924322.

It is a self number, because there is not a number n which added to its sum of digits gives 22342942720.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 26951266 + ... + 26952094.

It is an arithmetic number, because the mean of its divisors is an integer number (261087456).

Almost surely, 222342942720 is an apocalyptic number.

22342942720 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 22342942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31330494720).

22342942720 is an abundant number, since it is smaller than the sum of its proper divisors (40318046720).

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

22342942720 is an frugal number, since it uses more digits than its factorization.

22342942720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 22342942720 in words is "twenty-two billion, three hundred forty-two million, nine hundred forty-two thousand, seven hundred twenty".