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22241856 = 2637131967
BaseRepresentation
bin101010011011…
…0001001000000
31112212000002110
41110312021000
521143214411
62112415320
7360024030
oct124661100
945760073
1022241856
11116116aa
127547540
1347b9980
142d4d8c0
151e452a6
hex1536240

22241856 has 224 divisors, whose sum is σ = 77378560. Its totient is φ = 5474304.

The previous prime is 22241827. The next prime is 22241861. The reversal of 22241856 is 65814222.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331935 + ... + 332001.

It is an arithmetic number, because the mean of its divisors is an integer number (345440).

Almost surely, 222241856 is an apocalyptic number.

22241856 is a gapful number since it is divisible by the number (26) 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 22241856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38689280).

22241856 is an abundant number, since it is smaller than the sum of its proper divisors (55136704).

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

22241856 is a wasteful number, since it uses less digits than its factorization.

22241856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 111 counting only the distinct ones).

The product of its digits is 7680, while the sum is 30.

The square root of 22241856 is about 4716.1272247470. The cubic root of 22241856 is about 281.2269962420.

The spelling of 22241856 in words is "twenty-two million, two hundred forty-one thousand, eight hundred fifty-six".