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22448868 = 22313151953
BaseRepresentation
bin101010110100…
…0101011100100
31120020112001120
41111220223210
521221330433
62121053540
7361545411
oct125505344
946215046
1022448868
1111743192
1276272b0
13485cc70
142da5108
151e867b3
hex1568ae4

22448868 has 48 divisors (see below), whose sum is σ = 56843136. Its totient is φ = 6854400.

The previous prime is 22448863. The next prime is 22448869. The reversal of 22448868 is 86884422.

It is not an unprimeable number, because it can be changed into a prime (22448863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23080 + ... + 24032.

It is an arithmetic number, because the mean of its divisors is an integer number (1184232).

Almost surely, 222448868 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 22448868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28421568).

22448868 is an abundant number, since it is smaller than the sum of its proper divisors (34394268).

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

22448868 is a wasteful number, since it uses less digits than its factorization.

22448868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124 (or 1122 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 22448868 is about 4738.0236386071. The cubic root of 22448868 is about 282.0967928887.

The spelling of 22448868 in words is "twenty-two million, four hundred forty-eight thousand, eight hundred sixty-eight".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 151 156 302 453 604 906 953 1812 1906 1963 2859 3812 3926 5718 5889 7852 11436 11778 12389 23556 24778 37167 49556 74334 143903 148668 287806 431709 575612 863418 1726836 1870739 3741478 5612217 7482956 11224434 22448868