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22270908672 = 2832192953331
BaseRepresentation
bin10100101111011100…
…110001100100000000
32010111002122101022100
4110233130301210000
5331102323034142
614121530510400
71415615412615
oct245734614400
963432571270
1022270908672
119499390351
124396595400
13213c00558c
141113b4050c
158a52e2b4c
hex52f731900

22270908672 has 432 divisors, whose sum is σ = 71457422400. Its totient is φ = 6642155520.

The previous prime is 22270908661. The next prime is 22270908689. The reversal of 22270908672 is 27680907222.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67283547 + ... + 67283877.

It is an arithmetic number, because the mean of its divisors is an integer number (165410700).

Almost surely, 222270908672 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 22270908672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35728711200).

22270908672 is an abundant number, since it is smaller than the sum of its proper divisors (49186513728).

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

22270908672 is a wasteful number, since it uses less digits than its factorization.

22270908672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 437 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 22270908672 in words is "twenty-two billion, two hundred seventy million, nine hundred eight thousand, six hundred seventy-two".